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Solving Trigonometric Equations
Page 4
Questions (282)
Solve 9 tan x +5 =0, where 0 <= x <= 360
2 answers
asked by
Ashley
562 views
Use a calculator to solve csc (theta) = -3. I know the answer is 3.48 and 5.94 but I need the steps to take on the calculator to
2 answers
asked by
Sarah
493 views
trig question
2sin^2x+sinx-6=0 how to solve for x when the restriction is x is greater than or equal to zero but less than 2pi
3 answers
asked by
H
908 views
how to solve sin 4x= cosx(4 sinx - 8 sin ^3x)
5 answers
asked by
cristina
609 views
The question is solve for cosx= 0.60 on the interval [0,2pi). The answer is to be posted in radians. I don't understand how to
1 answer
asked by
Katie
413 views
solve 1-tan^2x=0 , 0≤x≤2pi
2 answers
asked by
leanne
727 views
Sin theta = 4/5
i got 53.1 as an answer but on my answer sheet is also has 126.9 How do i get that 126.9?
1 answer
asked by
Dho
375 views
if 12 cot^3 A - 31cosecA+32=0 thend find SinA ?
1 answer
asked by
pramod
345 views
Could you please show me how to solve this question.If 2 cos A-1=0, where 0< or = A < 2pi what is A equal to?
1 answer
asked by
Tori
319 views
How do I dertermine the measure of theta for the equation 4cos theta - sqrt 12 = 0. My answer was 2pi/3,4pi/3 I'm told it's
2 answers
asked by
jamie
580 views
How do I solve for theta in tan theta = -1?
1 answer
asked by
Matthew
351 views
If sin theta= -7/8, then the value of 1/cot theta in the interval 3pi/2<theta is? okay I've done this question twice. The 1st
1 answer
asked by
Tye
432 views
If cos A-1=0, where 0<or= A< 2pi, then A=? The answer I got was pi/3,5pi/3. I don't know where I went wrong can you please help.
3 answers
asked by
juliet
354 views
For the equation 4 cos theta - sqrt12 =0, where 0< theta < or equal 2pi determine the measure of theta. One answer I got was
1 answer
asked by
Rae
459 views
h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 7 4 1 7 1 8 8
I don't follow your work Reiny
6 answers
asked by
Kate RESPONSE
572 views
1) Verify that the x-values are solutions of the equation.
csc x - 2 = 0 a) x=pi/6 b)x=5pi/6 I know that csc x = 2 but I do not
2 answers
asked by
Hannah
1,058 views
1) Find two values of Q that satisfy the equation. Give your answer is degrees and radians. Do not use a calculator.
a) sec Q = 2
1 answer
asked by
Hannah
466 views
If sinu = -5/7 and pie<u<3pie/2 find 2u
Does anyone know the answer to this (not the steps for solving I know that my answer just
1 answer
asked by
joel
448 views
solve cos(squared)x + sinx = 1 {0, 2pie)
1 answer
asked by
timmy
427 views
what are the steps to solve sec y sin (pi/2-y)=1
3 answers
asked by
Lori
1,735 views
4sin^2x-1=0
Are the angles 30, 120, and 210 and 300?
1 answer
asked by
Tara
330 views
4sin^2x-1=0
Are the angles 30, 120, and 210 and 300?
1 answer
asked by
Tara
402 views
4cosBeta=1+2cosBeta
2cosBeta=1 cosBeta=1/2 60 degrees +/- 180--is this right? I know there should be another answer, but I'm not
3 answers
asked by
Tara
505 views
2sin^2x-3sinx=-1
sin^2x-3sinx=-1/2 times -3 sq. root of (sin^2x)+sinx= sq. root of 3/sq. root of 2 sinx+sinx=(sq. root of 3 times
1 answer
asked by
Tara
400 views
4tan^2u-1=tan^2u
3tan^2u=1 tan^2u=1/3 sq. root of (tan^2u)=sq. root of (1/3) tanu=sq. root of (3)/3 tanu=sq. root of 1 Did I do
1 answer
asked by
Tara
473 views
Solve for 0¡Üx<2¦Ð. Round to nearest hundreth of a radian.
secx=2cscx
1 answer
asked by
Amy
464 views
Ok, i've tried this question, and it brings me to no answers. Please help!
Prove the following: secY(1+tanY)=6cosecY my workings:
1 answer
asked by
help!
436 views
Solve the equation on the interval [0,2pi).
cos2x=(*2/2)
1 answer
asked by
Megan
433 views
Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x.
My answer: (pi/4)+2(pi)k, (7pi/4) + 2(pi)k Solve 2cos^2
2 answers
asked by
Danny
786 views
So I posted these...but no one answered them. Are they right?
Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x. My
1 answer
asked by
Jason
1,148 views
Solve 4sin^2 x + 4sqrt(2) cos x-6 = 0 for all real values of x.
My answer: (pi/4)+2(pi)k, (7pi/4) + 2(pi)k Solve 2cos^2
2 answers
asked by
Jason
514 views
the original problem was:
Solve: sin(3x)-sin(x)=cos(2x) so far i've gooten to: sin(x)(2sin(x)cos(x)-1)=cos^2(x)-sin^2(x) Where
1 answer
asked by
Katie
497 views
given sin(4x)=5/13 in Q II
find Tan(2x) and cos(2x)
1 answer
asked by
Hayden
362 views
a question just like this one was on one of my homeworks..i asked for help but i didn't understand the explanation..so i had to
9 answers
asked by
y912f
548 views
can someone check the first one and help me with the last two
find the values of s in the interval [0,pi/2] that make the
4 answers
asked by
y912f
399 views
Solve sin theta=-1 for all real values of theta.
Is it theta=3pi/2 +2pi n for n=0+ infinity?
3 answers
asked by
Mary
461 views
cos2x(2cosx+1)=0
Solve for x.
4 answers
asked by
Ted
738 views
Find a numerical value of one trigonometric function of x if
tanx/cotx - secx/cosx = 2/cscx a) cscx=1 b) sinx=-1/2 c)cscx=-1
2 answers
asked by
Lucy
858 views
Find two standard position primary angles in radians by solving for the unknown. "Primary angles" are those angles which exist
1 answer
asked by
Manny
701 views
Solve the equation on the interval 0 less than or equal 0 < 2pi.
1. sec 30/2 = -2 2. cos(20 - pi/2) = -1 3. tan(0/2 + pi/3) = 1
3 answers
asked by
KC
1,007 views
Solve for x on the interval [0,π/2):
cos^3(2x) + 3cos^2(2x) + 3cos(2x) = 4 I havent done trig for a while so what exactly does
1 answer
asked by
jacob
989 views
Solving Trigonometic Equations
solve for x : 1)sinx = (4/5) 2) cosx = (-12/13) I will do the second one. first of all since the
1 answer
asked by
abdo
405 views
Solving Trigonometic Equations
1)sinx = (4/5) 2) cosx = (-12/13) Solving Trigonometic Equations 1)sinx = (4/5) 2) cosx = (-12/13)
1 answer
asked by
abdo
620 views
solve to four decimal places
1.3224sinx + 0.4732=0 :for all real x values solve for sinx, then arcsinx. solve for sinx, then
1 answer
asked by
Kate
484 views
if sinx=(4/5), where 0 degrees<x<90 degrees, find the value of cos (x+180)
25+25+100+n=250 since x is in the first quadrant, then
1 answer
asked by
manda
505 views
2cos 4theta + 1 = 0
i know how to find the degrees (the last step of the problem), but i don't know how to start the problem.
1 answer
asked by
Marie
722 views
use degree measure for your answers. use a calculator and round the results to one decimal place for (c) and (d)
(a) in triangle
1 answer
asked by
tracy
721 views
How do I find all solutions to:
tanx+3cotx=4? The answer choices are: a.) x=arctan3+nPi b.) x=arccot3+nPi
4 answers
asked by
Grace
3,415 views
How do I solve 2sin4x cosx = 0 in the interval [0, 2pi)?
3 answers
asked by
Anonymous
1,168 views
Find the measure of feta, to the nearest degree where o degrees is less than feta which is less than 360 degrees.
6 sin feta = -1
2 answers
asked by
-Untamed-
885 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