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Trigonometric Equations
Page 4
Questions (452)
If sin-1(x/a) + sin-1(y/b) = sin-1(c^2/ab) then show that b^2x^2 + 2xy(a^2b^2 + c4) + a^2y^2 = c^4.
4 answers
asked by
Ranajoy
1,347 views
if 3tan tita=4,show that( 4cos tita-sin tita/2cos tita+sin tita)=4/5
1 answer
asked by
Anonymous
325 views
solve for x: 4sin^2x= 4cosx+1
1 answer
asked by
Anonymous
788 views
for which value of theta if tan theta equal to sin theta?
A. pi/2 B. 2pi C. pi/3 D. 3pi/2 Thanks.
3 answers
asked by
Anny
454 views
1. (-8cosxsinx+4cos2x)^2 +(4cosx^2+8sinxcosx)^2
2. cos(α-β)cosβ-sin(α-β)sinβ 3. 1+(sinx-cosx)(sinx+cosx) 4.
3 answers
asked by
Anna
586 views
how to solve cot theta+tan theta=csc^2theta+sec^2theta
2 answers
asked by
deyanz
494 views
How do you solve the equation(800+x)tan33=xtan35?
5 answers
asked by
Angie
490 views
Verify each trigonimetric equation by substituting identities to match right hand side of the equation to the hand side of the
2 answers
asked by
Nancy Jones
494 views
6cos^2(x)-5cos(x)-6
2 answers
asked by
Ashleigh
889 views
cos(2x)−cos(x) = -((sin^2)x + 1/4)
Need help solving.
1 answer
asked by
Anonymous
313 views
if 15 sin theta=8 cos theta , then what is sin theta-cos theta/sin theta +cos theta
1 answer
asked by
krish
355 views
least positive value of csc(4 theta +3) sin( 5 theta - 6) =1
1 answer
asked by
Anonymous
399 views
2y=cos(4(t-6))+6
3 answers
asked by
Anonymous
530 views
tan^2(5x)cos^4(tx = 1/8 - 1/8cos(20x)
1 answer
asked by
Peggy
361 views
Find all the solutions from [0, 2pi]
cot^2x+csc=x
3 answers
asked by
Hank
575 views
1. sin(tan^-1(4/3))=4/5
2. find the angle whose tangent equals 0. tan^-1(cos(pi/2))=0
3 answers
asked by
Lizzie
489 views
Trigonometry Questions
1. Using a compound angle formula, demonstrate that sin2π/3 is equivalent to sin π/3 2. The expression
2 answers
asked by
john
621 views
find cos(θ)ˏsin(θ)ˏtan(θ), if cot (2θ)=5/12 with 0≤2θ≤π - -
2 answers
asked by
Anonymous
622 views
How do you find the number of solutions(not all the answers) for each of the following equations
1) 2sec^2 4x - 3sec4x =5 2)
1 answer
asked by
Lilly
312 views
Sinx=0
1 answer
asked by
Amy
294 views
if 5sin theta + 12cos theta is equal to 13 find the value of tan theta
3 answers
asked by
salina
520 views
Solve the equation on the interval 0<theta<2pi
-tan(2theta)+2sin(theta)=0
2 answers
asked by
Hannah
535 views
(cos3x)^2+(sin3x)^2=cos(f(x))
find f(x)
3 answers
asked by
dylan
372 views
Solve exactly over 0 ≤ θ < 2π
secx + tanx = 1
1 answer
asked by
Lisa
325 views
i nead to find to the nearest degree all values of theta in the interval 0 x 360 that satisfy the equation 3 cos 2 theta+ sin
2 answers
asked by
Anonymous
810 views
Solve the trig equation exactly over the indicated interval.
tanθ = 0, all real numbers I know the answer is πn, but I don't
3 answers
asked by
Anne
422 views
Verify that each trigometric equation is an identity.
1/1-sinx + 1/1+sinx = 2 sec^2x
1 answer
asked by
Katelyn
436 views
Solve following equations
¡¼tan¡½^(2 ) x-5tanx=-6
1 answer
asked by
preet
306 views
10sinB+5 = sinB+5
1 answer
asked by
brittany
289 views
cotx+tanx=secx+cscx
2 answers
asked by
katie
520 views
solve sin theta = 1/2,90 degrees less than theta less than 180 degrees
2 answers
asked by
Rosagne
770 views
I was given a graph and told to find an equation for the temperature T in terms of the time t in the form T(t) = a sin(kt-c)+d
5 answers
asked by
Anonymous
455 views
5.Find the complete exact solution of sin x = -√3/2.
10. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two
3 answers
asked by
Jose
502 views
5. Find the complete exact solution of sin x = -√3/2.
9. Solve cos 2x – 3sin x cos 2x = 0 for the principal value(s) to two
1 answer
asked by
eemily
482 views
tan(x)-3cot(x)=0 solve.
1 answer
asked by
kay
381 views
#1 cos x+sec x=2
#2 (1+tan x)^2= 2 tan x+2 #3 cos^2x-sin^2 x+1=cos x please show all work & thanks
2 answers
asked by
Haley
943 views
Find the amplitude, period, phase shift, and vertical displacement for:
y=7sin5(x-85degrees)-1.2
3 answers
asked by
alejandro
574 views
cos(X+pi/6) + sin(x-pi/3) = 0
I am working with one side but I am not sure if I can subtract at all here.
3 answers
asked by
Jerry
429 views
Find one numerical value for
cot x/cos x = 5
1 answer
asked by
TRIG HELP
313 views
1)tan^2x=3 ?
2)tan x sin^2x=tan x ? 3)2cosx sinx - cos x=0
2 answers
asked by
Haley
538 views
2cotx + 1 = -1 over [0,2pi)
3 answers
asked by
hnj
1,038 views
Given that tanx = 1/sqr(15) and secx -4/sqr(15)
find the value of sinx
1 answer
asked by
Lynn
353 views
Sin theta=8/17, theta in Quadrant I, Cos X=-sqrt5/5 in Quadrant II
4 answers
asked by
Javier
530 views
tan^x-secx=1
1 answer
asked by
arshan
239 views
establish identity
5csc^2theta-3cot^2theta=2csc^2theta+3
1 answer
asked by
Anonymous
400 views
sin t /1-cos t - 1+ cos t/sin t= 0
2 answers
asked by
carolyn
690 views
find the general solution ..
Y=Asin4x+Bcos4x+x
2 answers
asked by
JAJA111111
546 views
Find all the solutions of x,for 0 is less than x is less than 2 pi
a. Sin(x + pi/4 + sin(x - pi/4)= -1 b. Sin(1/3 x+5) = 1/2
1 answer
asked by
lindsay
393 views
Solve the trig equation exactly in the interval 0≤x≤2π.
tan x + tan π/3 ------------------ = square root 3 1 - tan x tan
2 answers
asked by
Anonymous
641 views
(tan^2x-9)(2cosx+1)=0 Find one period
4cos^2x-4cosx+1=0 find all angles and name 8 angles 7sin^2x-22sinx+3=0 find all angles and
7 answers
asked by
Adam
680 views
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Parent Categories (12)
Algebra
Algebra and Equations
Algebra/Equations
Algebraic Equations
Equations
Equations and identities
Equations and Inequalities
Equations and Solutions
Solving equations
Trigonometric Functions
Trigonometric Identities
Trigonometry