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Solving Trigonometric Equations
Page 3
Questions (282)
Find the sum of the three smallest positive values of theta such that 4 cos^2(2theta-pi) =3. (Give your answer in radians.)
Hi
4 answers
asked by
Sam
1,332 views
Determine the general solution of 8cos^2x-1=0
1 answer
asked by
OwamIIi
449 views
Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree.
tan α = -1.85
2 answers
asked by
tony
1,124 views
solve over the indicated interval expressed in degrees to 2 decimal places. sec(theta/2)=1.4275, 0<theta<360degrees
1 answer
asked by
Anonymous
392 views
solve exactly over the indicated interval: cot(theta)=0, all real numbers
3 answers
asked by
Anonymous
817 views
Solve sin(x) = -0.36 on 0 le x lt 2pi
There are two solutions, A and B, with A < B and A and B in radians to 4 decimal places.
4 answers
asked by
marie darling
807 views
To the nearest degree, all of the following angles are solutions of the equation 2sin x + 4 cos 2x =3 except:
(1) 40 degrees (2)
2 answers
asked by
Bob
1,038 views
Solve sin θ = -0.204 for 90º < θ < 270º. Give your answer to the nearest tenth of a degree.
Honestly have no idea how to do
2 answers
asked by
Matt
625 views
5. If cot 2�θ = 5/12 with 0 ≤ 2θ ≤ π , find cosθ, sinθ, and tanθ
8. Find the exact value of sin2a if cosa = 4/5(a in
1 answer
asked by
Alonso
579 views
find the exact solutions over the interval
tanx = 1 all real x
3 answers
asked by
Matt
392 views
1. θ is a first quadrant angle in standard position and cos 1/(sqrt10)= . Find the exact value of sin .
2. feta is a second
3 answers
asked by
noel
765 views
Solve cos x-1 = sin^2 x
Find all solutions on the interval [0,2pi) a. x=pi, x=pi/2, x= 2pi/3 b. x=3pi/7, x=pi/2, x=2pi/3 c.
2 answers
asked by
Anonymous
604 views
Find all solutions of cos 2x + √2/2 =0.
a) + or - 3/8pi +Kpi b) 2/3pi + Kpi, 5/3pi + Kpi c) + or - 2/5 +Kpi d) 2/3 pi + 2Kpi,
1 answer
asked by
Anonymous
363 views
Find two values of theta that satisfy the equation. give your answers in degrees (0degrees <theta<360degrees ) and radians
3 answers
asked by
Sue
2,004 views
solve
3sin^2(x)=5sin(x)+2 (0≤x<π)
3 answers
asked by
Tarzan
622 views
How do you work this problem? Find the exact value of sin 2u, cos 2u, and tan 2u given that cot u=3 and 180<u<270
1 answer
asked by
Cynthia
436 views
find:
tanx=-3 one period and all angles 3csc^2x=4 one period and all angles sin2x+cosx-0 one period
1 answer
asked by
Amanda
361 views
find all values of 2sin theta-3csc theta=-5
1 answer
asked by
mattie
387 views
1/tanx-secx+ 1/tanx+secx=-2tanx
so this is what I did: =tanx+secx+tanx-secx =(sinx/cosx)+ (1/cosx)+(sinx/cosx)-(1/cosx)
1 answer
asked by
olivia
1,216 views
if tan(θ)=√(33) / 4 (√ does not ride over 4) find sin(θ)<0
i would just like to know the steps of how to do it.
1 answer
asked by
person
292 views
solve and round your answer to 4 dec.
sinx= .4 in [0,2pi] secx= -3 in [0,pi]
1 answer
asked by
Kim
252 views
Assume sin A = sin B.
If A = π/8, find B. Please show work so I'll know what to do.
3 answers
asked by
Mickey
395 views
if x is an acute angle and sinx= cosx then find the value of x?
1 answer
asked by
deepika
319 views
The question says "Given that cos(theta)=(-7/25) and sin(theta)>0, calculate the exact values of tan(theta) and csc(theta).
We
5 answers
asked by
Jill
790 views
tan theta= -4/3 and sec theta<0 find sin (theta = pi/6)
2 answers
asked by
Lana
507 views
Solve cosxtanx + sqroot3cosx - sqroot3/2tanx - 3/2 = 0
interval 0 to 2 pi exact answers and formula for the general solution as
1 answer
asked by
don
416 views
I'm confused with this concept:
Okay, so I have this problem: cos2x( 2 cos+1)= 0 I understand I have to work the problems
3 answers
asked by
Anonymous
451 views
(3 tan^2x-1)(tan^2-3)= 0
can someone please explain how to do this problem and then explain the whole pie thing at the
4 answers
asked by
help?
862 views
Solve for ¥è in the equation tan ¥è = 2.42 when 180¨¬ < ¥è < 360¨¬. Round your answer to the nearest tenth of a
3 answers
asked by
Parker
682 views
Solve sin ¥è = -0.204 for 90¨¬ < ¥è < 270¨¬. Give your answer to the nearest tenth of a degree.
2 answers
asked by
Parker
562 views
given that sec theta = radical13/whole number 3, and csctheta<0 find sin theta using the 2different methods;
1)using the "x-y-r"
3 answers
asked by
Jaime
411 views
2-3cosx=5+3cosx 0 degrees is less than or equal to x less than or equal to 180 degrees
Can you please show me step by step in
3 answers
asked by
Jess
675 views
Find cot x if sin x cot x csc x = .square root 2
After reducing i got cot= square root of 2 Am i correct?
5 answers
asked by
Jess
858 views
I have been trying to figure this out for hours and I still cant figure it out! Please help me..
The question says to find the
1 answer
asked by
Gee
320 views
find the exact zeros of the function in the interval [0, 2π)
2 cot squared x + 3 csc x=0
2 answers
asked by
shinel
470 views
How do you solve csc2x + 1 = 0
1 answer
asked by
Jill
411 views
solve for exact value for x between 0 and 2 pie 3sin2(x)-cos2=2?
1 answer
asked by
shery
350 views
how do you solve 2nd cos 6/11 (my calculator doesn't have 2nd function0
3 answers
asked by
dolora
402 views
Find the value of x in the interval 0 is less than or equal to x and 360 is greater than or equal to x which satisfies the
1 answer
asked by
joe
453 views
I have to retype this.
For which angles theta, with 0 degrees less than/equal to theta less than/equal to 180 degrees, is sin
1 answer
asked by
sejul
681 views
sec x = -2 , π ≤ x ≤ 3π
Use a calculator to solve for x in the given interval 9)sinθ=0.1473, 0°≤θ≤90° A) -8.47° B)
1 answer
asked by
Able
399 views
I'm not sure how to solve these with calculator.
sec x = -2 , π ≤ x ≤ 3π sinθ=0.1473, 0°≤θ≤90° cosθ=0.7563,
1 answer
asked by
Sam
386 views
for sin2x+cosx=0, use double-angle or half-angle formula to simplify the equation and then find all solutions of the equation in
3 answers
asked by
bob
787 views
Solve the following trig equations. give all the positive values of the angle between 0 degrees and 360 degrees that will
3 answers
asked by
anon
865 views
find the acute anlge A, to the nearest seconds when ;
A.log cos A= 9.12575 you might say that The cosine is >1, there's no real
2 answers
asked by
Anonymous
574 views
Given that sin x = - �ã2/2 and that cos x is negative, find the other functions of x and the value of x.
can you explain how
10 answers
asked by
Anonymous
419 views
Find sec x if sin x = -0.6 and cos x = 0.8.
2 answers
asked by
anna
915 views
Several questions from my homework, any are appreciated. Thanks!
Solve: 1) sinx-tanx=0 2) 3csc^2x=4 Find all solutions within
0 answers
asked by
Michael
478 views
Given sinθ=0.76, find θ in degrees to the nearest tenth.
1 answer
asked by
CJ
502 views
show steps
tan^2(u)= -3-3sec(u); [pi/2,pi]
3 answers
asked by
Emmli
62 views
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Parent Categories (18)
Equations
Equations and identities
Equations and Relationships
Equations involving trigonometric functions
Exact values of trigonometric functions
Finding angles
Functions and Equations
Right Triangle Trigonometry
Right triangles
Sin and Cos Functions
Standard Position Angles
Trigonometric Equations
Trigonometric Equations and Identities
Trigonometric Functions
Trigonometric functions and identities
Trigonometric Identities
Trigonometric Ratios
Trigonometry