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Trigonometric Equations
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Questions (451)
solve for 0=/<x<2pi
6sin^2x + sinx - 1 = 0 Ahh, forgot how to factor. 3cos^2 - 2cos - 1 = 0 (3cosx + 1 )(cosx - 1) cosx= -1/3, 1
4 answers
asked by
sh
489 views
2tan^2x-tanx-1=0
0<x<2pi
2 answers
asked by
ROBIN
483 views
2sec(11)sec(19)-2cot(71)
2 answers
asked by
hridya
490 views
if sin x =0.5 what values satisfy this equation in the range -180<=x<=180
3 answers
asked by
scott
457 views
Solve for x on the interval (0, 2pi]
(sin2x + cos2x)^2 = 1
2 answers
asked by
Adc
478 views
2cos(x)-3tan(x)=3sec(x)
2 answers
asked by
Anonymous
456 views
the original problem was:
Solve: sin(3x)-sin(x)=cos(2x) so far i've gotten to: sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x) Where
2 answers
asked by
Katie
503 views
How to solve 2.5e^-t cos2t=0?
5 answers
asked by
Gordon
467 views
Solve step by step
4sin^2x = 3cos^2x
2 answers
asked by
Caitlin
464 views
Find two values of 0, 0 ≤ 0 ≤ 2π that satisfy the following equation. Show your work.
tan 0 = 1
1 answer
asked anonymously
38 views
3cos^2(theta)-3=5sin(theta)-2
1 answer
asked by
danny
454 views
function y=4-2sin(2t+pi/2), where t is measured in radians. choose one option which gives the value of the function when t=pi
3 answers
asked by
lee pearce
480 views
3cos^2(theta)-3 = 5sin(theta)-2
1 answer
asked by
nicky
450 views
tan^2(x)=-3/2sec(x)
3 answers
asked by
Blair
477 views
cos(54º-X)=sin2X
1 answer
asked by
Michelle
447 views
Solve the following equations if 0<x<2pie (those are 'less than or equal to') answer to 2 decimal places.
a) square root of 2
1 answer
asked by
T_om
489 views
Sinx+root3cos=1 if 0<=x<360
4 answers
asked by
Edward
453 views
Given that sin alpha = 15/17 and
-360 <alpha<360 find all values of alpha to two decimal places. Help Please!
1 answer
asked by
Ella
449 views
12. Find the exact value of sin(2x) if sin(x)=-1/2.
sin(2x) = 2sin(x)cos(x)
1 answer
asked by
Mess
454 views
Use the half-angle identities to find all solutions on the interval [0,2pi) for the equation
cos^2(x) = sin^2(x/2)
1 answer
asked by
Nikki
448 views
How do you solve
sin x * cos x = 1/4 I don't know where to start.
1 answer
asked by
Dave
437 views
Find all solutions to tan(theta)=1/sqroot(3). In the interval 0 less then or equal to theta less then or equal to 2pi.
Theta=
1 answer
asked by
Bob
452 views
solve:
tan x/2= sqrt3/ 3
1 answer
asked by
Randolph
422 views
tan θ =3–√
(1 point) Responses True True False
1 answer
asked anonymously
23 views
tan θ =3–√ (1 point) Responses True True False
1 answer
asked anonymously
12 views
3-cos1-1=
1 answer
asked anonymously
25 views
Which equation would the table of values represent? 0, 3 pi over 2, 3 pi, 9 pi over 2, 6 pi. 0, 4, 0, -4, 0 (1 point) Responses
1 answer
asked anonymously
29 views
Write the equation for the function based on the graph.
(1 point) Responses y=cosx y=cosx y = cos(x) −2 y = cos(x) −2 y =
1 answer
asked anonymously
50 views
if 25 cos ceta = 7 where ceta belongs to ] 3 pi/2 , 2 pi [ , then tan ceta =
1 answer
asked by
mahmoud
13 views
Solve trigonometric equation by finding all real numbers tanxsin2x=0
1 answer
asked anonymously
20 views
Sinx=-1
1 answer
asked anonymously
15 views
Find all the solutions in the interval [0,2pi] to cosx=square root 2/2
1 answer
asked anonymously
21 views
for the acute angles in a right triangle, sin(2x)=cos (4x+12 degree). what is the measure of the larger angle?
1 answer
asked anonymously
22 views
tan 29 = 12/x
1 answer
asked anonymously
10 views
cos 58 = 8/x
1 answer
asked anonymously
9 views
sin 29 = 12/x
1 answer
asked anonymously
16 views
For what value of x is cos(x) = sin(14°), where 0° < x < 90°?
1 answer
asked anonymously
24 views
tan(x)=10/8 Solve for x.
1 answer
asked by
B
12 views
sin(x) = 5/8
1 answer
asked anonymously
12 views
Which one of the above 3 trigonometric equations do you need to use? Explain why that is the ratio that works?
1 answer
asked anonymously
19 views
1. For what values is the following equation true? sin(x+20)=cos(y−10)
A. X=30 and y=60 B. X=30 and y=40 C. X=20 and y=50 D.
1 answer
asked by
goku
8 views
Costhetasintheta-2costheta=0
1 answer
asked anonymously
8 views
Cos(theta)sin(theta)-2cos(theta)=0
1 answer
asked anonymously
8 views
Rewrite in rectangular form: r equals 8 sine theta minus 2 cosine theta.
(1 point) Responses left-parenthesis x plus 1
1 answer
asked anonymously
33 views
Solve the equation on the interval [0,2pi). Cos2x=square root 2/2
1 answer
asked anonymously
12 views
Solve the equation on the interval [0,2pi) cos^2x+2cosx+1=0
1 answer
asked anonymously
13 views
Factor 2sinxcosx+cosx=0
1 answer
asked anonymously
7 views
11. Set up the trig equation with the correct values plugged in that you would use to solve for h.
With an angle of 18* 100 is
1 answer
asked by
cool;
7 views
Enter your answer and show all the steps that you use to solve this problem in the space provided.
A weight is attached to a
1 answer
asked anonymously
4 views
10. Solve each of the following for the given domain. Express each answer in the indicated
unit value. a. csc 𝜃 = √2 , 0 ≤
1 answer
asked anonymously
6 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