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Solving Trigonometric Equations
Page 2
Questions (286)
If I know that sin ( θ ) = 12/13 I can use the Pythagorean theorem to find that cos ( θ ) = 5/13 . What is tan ( θ )?
4 answers
asked by
Mitchi
1,678 views
If 3sin tita - cos tita=0,how do I find the value of 3tan tita=1(0° less than or equal to tita less than or equal to 360°)
4 answers
asked by
Uchenna
504 views
How do you solve this problem?
y = 2sin 3x + 4sin 2x I haven't done these types of problems for awhile and have forgotten how to
2 answers
asked by
Mary
580 views
Find all solutions between 0 and 2pi. Round to two decimal places. In radians.
Find all solutions between 0 and 2 pi. Round to
4 answers
asked by
Taylor B
1,864 views
2 csc x - 3 = - 5
3 answers
asked by
Bre
251 views
Solve the equation on 0° ≤ θ < 360° and express in degrees to two decimal places.
sin(2θ) = -0.7843 I've gotten 308.345°
4 answers
asked by
Mary
1,417 views
Solve cos(x) = -0.44 on 0 (less than or equal to) x (less than) 2pi
There are two solutions, A and B, with A < B Give your
3 answers
asked by
marie darling
531 views
For the equation 4 cos theta - square root 12 = 0, where 0 < theta < (or equal to) 2 pi, determine the measure of theta.
The
3 answers
asked by
Angi
449 views
Solve for all possible values of x where O°≤x360°.
sin x=2/3. I do not understand these types of questions please answer in
3 answers
asked by
Kate
455 views
If cos^2 theta -6 sin 2 theta =0, one value of theta is a)0 degrees b) 90 degrees c)180 degrees or D)255 degrees.
Please show me
3 answers
asked by
Ray
516 views
When given sin(5x)=0, and asked to find x, I would basically have to solve for 5x first, and then divide my answers by 5.
My
4 answers
asked by
Stuck
1,329 views
find (acute) angle A, given:
a. sin A = 0.4919 b. tan A = 2.7775 c. cos A = 0.5757
2 answers
asked by
Matrix 10
995 views
y= -2 sin (2(θ-pi/3))+1
how do i solve for axis of the curve
1 answer
asked by
jhon
108 views
solve:
sin^2x - sinx = 2, -pi </= x </= 0 solution must be in exact form
1 answer
asked by
urgent
192 views
Did you solve sin2[sin^-1(pi/6)] and sin[2sin^-1(pi/6)] in the same way?
1 answer
asked by
anonymous
253 views
If 0≤θ≤360, how many different solutions will there be for the equation sinθ=1.23
1 answer
asked by
assh
177 views
If csc θ = 5 , what is the measure of the angle θ?
2 answers
asked by
assh
160 views
already posted these questions but i could not find the post
find all solutions from 0 degrees to 360 degrees 1. 4 sin^2x – 1 =
2 answers
asked by
nemo
554 views
How do I solve the following question:
sin(5x)cos(3x) - cos(5x)sin(3x) = 1 So far I got this: sin (8x) = 1 Please help
3 answers
asked by
Ryan
437 views
Hi guys, I was wondering if you guys can help me with this question. I'm not sure how to do this question. As I keep on getting
3 answers
asked by
Jeremy
734 views
I can't seem to get the right answer on my assignment. I keep on getting 276.403 and seem to get it wrong. Please help.
Suppose
1 answer
asked by
Felix
349 views
Find all primary solutions (i.e. 0 ≤ θ < 2π ) of the equation cos(2θ ) = 4 − 3 cos(θ ).
Find all primary solutions (i.e.
2 answers
asked by
Samantha
509 views
find all solutions between 0 and 2pii for (tan theta =1)and (cos theta =negative 1/2).
1 answer
asked by
lughano
287 views
Find all solutions in the interval [0,2pi)
4sin(x)cos(x)=1 2(2sinxcosx)=1 2sin2x=1 2x=1/2 x= pi/6, and 5pi/6 Then since its 2x i
2 answers
asked by
Martha
991 views
2+1/3tan(theta)=2
I know that tan=0 0,180 But i don't know how to figure it out. Please help.
1 answer
asked by
Sally
421 views
please what is the answer to this f math question......1-cos^2X=0 for 0°less dan equals X..then X less dan equals 270
4 answers
asked by
mercy
432 views
Solve (in radians) sec x = 2csc x
When I work it out, it gets to 2cot x - 1 = 0 cot x = 1/2 Would it be ok to use tan^-1 (2) ? I
2 answers
asked by
A
600 views
14cos+7=O
1 answer
asked by
jay
326 views
if cosz=200, what is the exact value of z?help
4 answers
asked by
dam
301 views
Tan theta +2sec theta=2 cot theta+3cosec theta=a Find theta
4 answers
asked by
Stevium
671 views
Find the value for sin(theta), cos(2 theta)=3/4 and 270 degrees<0<360 degrees
2 answers
asked by
Leslie
553 views
Solve cos315*cos(-390)-sin225*sin750
cos315: <RA = 360-315 = 45 cos45 = 1/√2 cos-390: <RA=-390+360 =30 cos30= √3/2 sin225:
3 answers
asked by
AmbiguousCase
578 views
Solve, finding all solutions in the interval [0, 2π). tan(3x) = -1
3 answers
asked by
brittney
2,435 views
How do you solve -6[cot(2pi/3)-cot(pi/3)]?
2 answers
asked by
Isabella
594 views
Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2
Please detail how/why i can get to the
5 answers
asked by
Lara
549 views
Find all values of theta where 0degrees<theta<360 degrees when csc theta = square root 2
5 answers
asked by
Lara
610 views
Solve.√(2)sec(x)+tan(x)=1 0≤x≤360
1 answer
asked by
Rabinprakash Dahal
321 views
Solve tanx+cosx/1+sinx=secx
In two different ways
2 answers
asked by
Jay jay
715 views
Solve in radians.
1) sin2X = 1/2 2) tan2 (X + pi/2) = 1 3) 5 - 3sec (X - pi/4) = -1
1 answer
asked by
j
457 views
What is the answer to this? I don't understand how to solve it.
1.2 = 4.6 tan 50 - 4.9 (4.6^2)/(x^2 cos^2 50)
1 answer
asked by
Taylor
358 views
Which of the following is NOT a solution to cos^2x=3sin^2x?
A.) 30 degrees B.) 60 degrees C.) 150 degrees D.)210 degrees E.)330
2 answers
asked by
Daisy
477 views
1) Find the exact value of the expression:
tan−1(tan(−120651/47π))... How do you find Tan(-120651/47pi)? I don't know how to
3 answers
asked by
Dan
726 views
Solve sin(x)=−0.89 on 0≤x<2π
There are two solutions, A and B, with A < B
2 answers
asked by
Dan
1,168 views
I do not know which value I am solving for or how to get there these are the instructions and info given.
Use the given
2 answers
asked by
Seffi
534 views
How do i solve sinx/cosx(sinx+cosx/sinx×cosx)=secx?
I know it's 1/cosx because it equals secx but I don't know how to get there?
4 answers
asked by
Jodi
588 views
steve, do you solve this cause i don't know how and i don't get it :
b/sin49° = c/sin115° = 10/sin16°
2 answers
asked by
josh
468 views
The questions says it has 2 solutions. It wants me to find what x would be if cos(x)=-.49 and it is given that x is on the scale
3 answers
asked by
Ali
420 views
Determine the general solution of 8 cos^2x - 4cosx - 1 =0
(8cos^2x - 4cosx)/8 =1/8 cos^2x - 4cosx=1/8 cos^2x/cosx =1+4cosx/cosx
2 answers
asked by
Bontle
628 views
3 sin theta = 1.5 when 0 is less than or equal to theta is less than or equal to 4 radians
1 answer
asked by
Anonymous
428 views
Solve for all values between zero and 360 degrees.
cos(theta-42 degrees)=-1 What is the general solution and what is the
1 answer
asked by
Anonymous
404 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