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Trig
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Verify:cos(360degrees-x)=cos x
1 answer
asked by
Tabitha
388 views
Solve: cos2x(2cosx+1) for 0degrees is less than or equal to x is equal to or less than 360degrees
1 answer
asked by
Tabitha
437 views
Hi everyone, I have a WS due tomorrow, and would really appreciate some help.
You are taking a ride on a Ferris wheel that is 100
2 answers
asked by
Anon
544 views
Solve:cos^2x=1 for 0 < x is less than or equal to 2pi
1 answer
asked by
Tabitha
436 views
Find the exact value of sin75degrees+ sin15degrees.
1 answer
asked by
Tabitha
398 views
Boston is 200 mi away from NY. It takes me 1 hour less to drive to Boston when I drive 10 mi faster than my normal rate. What is
3 answers
asked by
Ronaldo
415 views
Are 120 and -240 coterminal?
1 answer
asked by
Isabella
352 views
The angle of elevation to the top of a building from a point on the ground is 39 degrees. From a point 50 feet closer to the
2 answers
asked by
Chetan Munsell
715 views
find (s+t) given that cos s=1/3 with s in quad I and sin T=-1/2 with t in quad IV
3 answers
asked by
Paige
504 views
tan 75 (show all work please)
1 answer
asked by
Paige
393 views
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and
1 answer
asked by
Paige
414 views
find the exact value of the expression using the provided information. Find Tan (S+T) given that cos s=1/3 with s in quad I and
2 answers
asked by
Patti
1,091 views
Use Trig identities to verify that sec^4(x)-tan^4(x)=1+2tan^2(x), Only work with one side of the equation
2 answers
asked by
Anonymus
841 views
If = 58° and m = 120 in, what is the value of n to the nearest tenth of an inch?
6 answers
asked by
Josh
1,483 views
What is the phase shift of y=6cos(6x+pi/2)?
2 answers
asked by
Dwight
781 views
Given that theta is a quadrant 3 angle with cos of theta=-7radical65/65, determine tan of theta
1 answer
asked by
Mark
334 views
If the terminal side of theta in standard position contains the point (5,8). Find the exact value of tan of theta
3 answers
asked by
Mark
1,200 views
Find all values of theta in the interval 0 <= theta < 360 that satisfy the equation 3cos(2theta)=7cos(theta). Express answers to
4 answers
asked by
Waldo
1,243 views
sin^2x/sec^2x-1
1 answer
asked by
Kelly
789 views
Finding all Solutions for
2cos(x)-�ã3=0
6 answers
asked by
Kelly
1,240 views
(2/y+2)+(3/y)=(-y/y+2)
1 answer
asked by
Aaron
261 views
Solve: (2/y+2)+(3/y)=(-y/y+2)
1 answer
asked by
Alonzo
234 views
A Person is riding a bike with wheels that have a 14 inch radius at 15 mph. The bicyclist rides over some gum which sticks in
2 answers
asked by
Nate
599 views
What is the exact value of sin^-1(sin(8pi/15)?
2 answers
asked by
Kelly
1,049 views
A 60 ft. antenna stands on top of a building, From a point on the ground, the angles of elevation to the top and bottom of the
2 answers
asked by
John
700 views
a clock has a diameter of 1 foot what is the angular size if viewed from a distance of 27 feet
2 answers
asked by
Michael
1,017 views
What is the period of f(x)= 1/2 tan(3x+pi/2) and -2/3 cos(x/3-1/2)?
1 answer
asked by
Jen
320 views
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this?
3 answers
asked by
Jen
1,300 views
A silo is 40 feet high and 16 feet across. find the angle of depression from the top edge to floor. How do you solve this?
2 answers
asked by
Jen
556 views
Water is being pumped at a 3 cubic feet/minute into a cylindrical storage tank with a circular base of a radius 4 feet. Find the
2 answers
asked by
Tara
548 views
Find Theta in the degree measure for the indicated quadrant. Show the diagram.
cot (Theta)= -(Radical 3/1)in quadrant IV. I got
4 answers
asked by
Lisa
490 views
How would you write the partial fraction decomposition of the rational expresion 1/(x^2)-25?
I know that you factor the
1 answer
asked by
JD
485 views
Cos(2theta)=-1/2
There are 6 solutions, how do i solve this?
2 answers
asked by
Thanh
676 views
Use a cofunction to write an expression equal to csc(4ð/11).
I need help solving this problem. Thank You
3 answers
asked by
Rachal
1,057 views
Let (theta) be an angle in quadrant II such that sec(theta) -4/3 .
Find the exact values of cot (theta) and sin (theta).
1 answer
asked by
Johnny
628 views
I need help solving the two problems below. Thanks
For each equation, determine whether its graph is symmetric with respect to
2 answers
asked by
Rachal
518 views
I need help solving the two problems below. Thanks
For each equation, determine whether its graph is symmetric with respect to
3 answers
asked by
Rachal
625 views
I need help, I don't remember what to do.
Find all solutions of the equation in the interval [0,2pi]. (2cosè+sqrt3)(cscè+1)=0
3 answers
asked by
Rachal
830 views
The polynomial function f(x) is defined by f(x)=-4x^4+9x^3+2x^2-7x-2.
Use a graphing calculator to find all the points where
2 answers
asked by
Rachal
848 views
Find all solutions of the equation in the interval [0,2pi) .
cos(theta)=0.7125 If there is more than one solution, separate them
3 answers
asked by
Rachal
1,082 views
Find all solutions of the equation in the interval [0,2pi).
sqrt(3)cottheta-1= 0 Write your answer in radians in terms of pi. If
4 answers
asked by
Rachal
2,199 views
Trig Identity.
1-sin^2x/1-cosx
3 answers
asked by
Jill
331 views
Consider a triangle ABC like the one below. Suppose that A=45 degress, B=34 degress, and a= 70. Solve the triangle.
Round your
2 answers
asked by
Jennifer
676 views
A ramp 38' long rises to a platform. The bottom of the platform is 20' from the foot of the ramp. Find x , the angle of
2 answers
asked by
Rachal
529 views
A boat heads S 15 degrees E on a river that flows due west. the boat travels S 11 degrees W with a speed of 25 km per hour. Find
2 answers
asked by
GoMeGo
629 views
cos4x*cos3x + sin4x*sin3x
3 answers
asked by
Daniel
1,146 views
How do I find the quadrant in which angle thada may lie if cos thada > 0 and tan thada < 0?
2 answers
asked by
Nathan
497 views
find cos x/2, sin x = 1/4, 360 < x < 450, use half-angle identity
1 answer
asked by
Onedope
334 views
How to find all solutions for 3tan^22x-1=0?
1 answer
asked by
Jill
450 views
How do I prove the following Identity?
sec x(sec x-cos x)=tan^2x If there is a certain website or suggestion to help with these
3 answers
asked by
Mel
523 views
Find all solutions of equation on interval [0,2pi]
1=cot^2x + cscx
3 answers
asked by
LSAT
555 views
Find all solutions of the equation on the interval [0,2pi):
Tan^2x=1-secx
6 answers
asked by
Lsat
1,194 views
Find (if possible) the trig function of the quadrant angle.
1 answer
asked by
Master chief
459 views
Find (if possible) the trig function of the quadrant angle.
sec 3pi/2
4 answers
asked by
Master chief
665 views
Evaluate (if possible) the sine,cosine, and tangent of the angle
10pi/3
3 answers
asked by
Master chief
459 views
give the value of tan(arctan x+1/x-1+arctanx-1/x)
1 answer
asked by
Mike
344 views
URGENT, Please answer this question:
give the value of: Tan(Arctan x+1/x-1+Arctan x-1/x)
1 answer
asked by
Mike
466 views
The graph of y = 7cosx + 24sinx would be a sinusoid if it were plotted. What would be the first positive value of x at which
1 answer
asked by
Randy
434 views
A plane is flying at 240 mph heading North 60 degrees East. The wind is blowing at South 30 degrees East at 30 mph.
What is the
2 answers
asked by
Anonymous
632 views
Find
[4(cos115+isin115)]^6
4 answers
asked by
Jack
423 views
A car is traveling at a speed of 55 mph with a bearing of 210°. What vector represents the velocity?
3 answers
asked by
bob
656 views
Find the polar coordinates of (8, –8) for r ≥ 0.
I am getting 8 square root of 2 as the first coordinate. I am not sure if I
1 answer
asked by
Dara
322 views
Find values of all six trig functions if sin(theta)= 4/5 and theta is in the second quadrant.
2 answers
asked by
Lucy
706 views
A soccer goal is 24 feet wide. Point A is 40 feet in front of the center of the goal. Point B is 40 feet in front of the right
4 answers
asked by
Brett
2,559 views
Find the angle of the measure formed by the clock.
2:15
4 answers
asked by
Davis
507 views
cos270degrees -5cos180degrees
(0/1)-5(-1/1) 0-5(-1) does it equal -5 or +5?
3 answers
asked by
Alison
274 views
assume A= alpha
using complementary rule how do I solve for alpha? cos(2A+40) =sin(3A-60) I don't understand how to start the
2 answers
asked by
ALISON
499 views
find the exact values of the six trig functions of angle...
sin(-315degrees) how do i do this?
2 answers
asked by
ALISON
641 views
Find the exact value of each of the following using reference angles.
a)sin 225degrees b) cot 120degrees
1 answer
asked by
Ryland
437 views
Use linear velocity to find out how many miles per hour Jethro's truck is going.
In 15 seconds, Jethro's truck's 24-inch diameter
1 answer
asked by
Summer
407 views
Using tables or a calculator, find tan 16 degrees 15 + cot 32.7 degrees to the nearest hundreths
2 answers
asked by
Alyson
481 views
how do i find the exact value of s
[pie/2, pie] sin s = radical2/ whole number 2 what is s in radians? how do i figure this out
2 answers
asked by
ALISON
504 views
2sin^2(x) = 2 + cos(x)
interval [0,2pi) How do I solve this? Help would be greatly appreciated!
2 answers
asked by
Wendy
559 views
The point (-5/12) is on the terminal side of an angle theta in standard position. Find Sin theta, cos theta and tan theta Thank
1 answer
asked by
Lauren
1,129 views
Given sin theta = -3/5 and 0 is in quad 2, find Cos theta and tan theta
2 answers
asked by
Betty
972 views
Find the exact value of tan 5pi/12 using the half-angle identity.
3 answers
asked by
Cynthia
4,314 views
Find the measure of the central angle, in radians, given the area of the sector as
22.6 cm2 and a radius equal to 3.7 cm
2 answers
asked by
Julianne
713 views
Find all real numbers that satisfy the equation.
2 cos x + 1 = 0
2 answers
asked by
Anonymous
824 views
Solve 2cos sq x = 1 using the unit circle.
1 answer
asked by
don
289 views
Solve 2cosxsinx + sinx = 0 using unit circle.
4 answers
asked by
don
649 views
Prove the following functions:
(sinx+sin2x)/(1+cosx+cos2x)=tan x (cos3x/sinx)+(sin3x/cosx)=2cot2x tan2x=(2/cotx-tanx) theses are
3 answers
asked by
jared
997 views
Im having serious issues with verifying Trig. identities. Please help! Here is an example:
(tanX-secX)^2= 1-sinX/1+sinX
2 answers
asked by
Rachel
580 views
cos(-11pi/12)
3 answers
asked by
Lauren
1,519 views
I have these sum and product property problems and I just want to make sure my work is right.
Write equations expressing 1. cos
2 answers
asked by
Kevin
496 views
Solve the equation in the given domain
cos 4x + cos 2x = 0, 0<(or equal to) x < pi
4 answers
asked by
Mark
1,869 views
The path of a projectile fired at an inclination t0 to the horizontal with initial velocity v feet per second is a parabola. The
1 answer
asked by
Jared Smith
736 views
Triangle ABC has B= 137degrees, A=31.6 in., and C=42.8 in. Find B.
1 answer
asked by
Gaius
363 views
Sec (23π/6)
2 answers
asked by
Bree
472 views
1. Establish the identity:
sin(theta+3pi/2)=-cos(theta) 2. Find the exact value of 2(theta) if sin(theta)=5/13 3. Show that:
1 answer
asked by
Brittany
1,132 views
How do you find cosine, tangent, and cotangent periods?
1 answer
asked by
Dane
355 views
In ABC, vertex C is a right angle. Which trigonometric ratio has the same
trigonometric value as Sin A? A Sin B B Cosine A C
4 answers
asked by
Carl
4,223 views
The set of solution(s) of 2 cos^2
(θ) - 13 cos(θ) + 6 = 0 that is(are) in the interval (0,π/2) is one of following a. {π/6}
1 answer
asked by
Lenny
395 views
Eight Fundamental Identities
Sec thada - Cos thada How do I do this?
3 answers
asked by
Don
487 views
Please disregard last question .... wrote it down wrong ..
Thanks
1 answer
asked by
Don
277 views
Column 1 Column 2
sec theta - cos theta tan theta sin theta Question: how do you get column 1 to be the same as column 2 ?? using
1 answer
asked by
Don
415 views
Column 1 Column 2
(sin theta + cos theta)sq 1 + 2sin theta cos theta Question : how do you get column 1 to be the same as column
1 answer
asked by
Don
387 views
Prove that the equation is an identity:
cot4theta - csc4theta = -cot sq theta - csc sq theta How ??
2 answers
asked by
Don
893 views
Prove the equation is an identity :
csc3theta - csctheta + cottheta/csctheta = cotsqtheta + costheta wow ... try that one
1 answer
asked by
Don
328 views
The next two steps in solving this trig identity question are ???
1/csctheta x costheta x sintheta x sectheta = sinsqtheta arghhh
1 answer
asked by
Don
429 views
If sin = 2/3 and is a second quadrant angle, determine the exact value of sec^2
could be a. 5/9 b. root5/3 c. 9/4 d. 9/5 Please
3 answers
asked by
Don
913 views
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