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Trigonometric Equations
Page 5
Questions (451)
cosx= -8/17, 180<x<270
find; sin(x/2) cos(x/2) tan(x/2)
2 answers
asked by
Adam
585 views
keep in mind answers should be pi radians or if necessary 3 dec.
csc^2-2=0 all angles 4cos^2x-4cosx+1=0 all angles and name 8
3 answers
asked by
Amanda
642 views
�ã3tanx=3tanxcscx-�ã3tanx
3 answers
asked by
JB
237 views
Factor
4cos^2x+4cosx-1=0
2 answers
asked by
Katie
809 views
2sin^2x-1=0[0,2pi)
1 answer
asked by
Sur
359 views
IF Y=5+7C0S 4(0-7). FIND YWHEN 0=42 DEGREES. SMALLEST POSITIVE VALUE OF 0 FOR WHICH Y=1.5
1 answer
asked by
BRASHUNDA
267 views
1-cosx/1+cosx=(cotx-cscx)^2
1 answer
asked by
olivia
331 views
sin^2x-1=sec^2x-tan^2x
1 answer
asked by
olivia
400 views
What is cosx=1/2?
1 answer
asked by
Jaime
336 views
4sin^(2)x-3=0
1 answer
asked by
Help
312 views
cos(3x)=-1
1 answer
asked by
One Directioner
273 views
Find all solutions to the equation in the interval [0, 2pi)
cos4x-cos2x=0 So,this is what i've done so far: cos4x-cos2x=0
3 answers
asked by
Maria
1,561 views
5sin(2x)+4cos(x)=0
1 answer
asked by
john
363 views
given the function y=2sin3x-1, identify the following below. also show its graph for the primary cycle. (identifying parts of a
2 answers
asked by
Kim
494 views
Prove cos^2t+4cost+4/cost+2=2sect+1/sect
1 answer
asked by
Kathryn
707 views
prove(sinx/cosx+1)+(cosx-1/sinx)=0
1 answer
asked by
Katie
325 views
given tanx= (1/2) and cscx<0, find cos2x
1 answer
asked by
Logan
423 views
Given that cos2x=7/12 and "270 equal or < 2x equal or < 360", find sinx.
Please help and Thank you
4 answers
asked by
Anonymous
859 views
Solve the following trig equation
2cos(x-π/6)=1
1 answer
asked by
Matt
357 views
solve:
tantheta = sintheta
2 answers
asked by
Davis
574 views
cos theta= .5
2cos theta= .5 how do you do this?
1 answer
asked by
Diana
336 views
Given tan theta=-8/5 and sin theta < 0, find cos theta.
1 answer
asked by
shandra
376 views
3 radical 3=-3 cot theta
on interval 0<theta<2pi
1 answer
asked by
lil wayne
391 views
sec^4x - sec^2x = tan^4x + tan^2x
1 answer
asked by
NEED HELP NOWW!!
337 views
I need to prove equality.
a) (sina + cosa)^2 -1 / ctga - sinacosa = 2tg^2a b) (sin^2x/sinx-cosx) - (sinx+cosx/tg^2x+1) = sinx +
5 answers
asked by
Evelina
832 views
solve each equation over the given interval 2x=cosx for all values of x
2 answers
asked by
sylvia
693 views
5. If the angles X and Y each measure between 0° and 90°, and if sinX = cosY, what is the sum of the measures of the angles X
3 answers
asked by
kc
472 views
Solve the Trigonometric equation for all solutions between [0,360)degrees.
2Sinx + 1 = 2.6635. Solve for x. does x equal
2 answers
asked by
Misty
488 views
Solve the Trigonometric equation for all solutions between [0,360)degrees.
Sinx + 1 = 2.6635 Please, Please, Please Help
3 answers
asked by
Misty
489 views
solve the trigonometric equation
sinx + 1 = 2.6635. Please help me!!!
1 answer
asked by
Misty
391 views
verify the following
1+1/csc^2x-1=sec^2x
1 answer
asked by
Raven
328 views
1-cos/1+cos= 2(cosec-cot)
3 answers
asked by
Aqib
336 views
2sin^2(x) = 2 + cos(x)
interval [0,2pi) How do I solve this? Help would be greatly appreciated!
2 answers
asked by
Wendy
559 views
sketch + describe graph of the curve parametrized by:
x=1-3cos^(2)t y=-2+4sin^(2)t -infinity less than t less than infinity how
4 answers
asked by
Amy
382 views
cos@-4SIN@=1 then sin@+4cos@=
1 answer
asked by
bhavya
469 views
Find the smallest positive value of x(in degree) for which tan(x+100°)=tan(x+50°)*tanx*tan(x-50°)
2 answers
asked by
SONU
637 views
is the value 3pi/2 is a solution for the equation 2sin^2x-sinx-1=0
3 answers
asked by
Dakeva
854 views
VERY URGENT! PLEASE HELP SOLVE!
tan(x)+1=sqrt(3)+sqrt(3)cot(x)as well as sin(2x)= 2 cos^(x) 4cos2(x) = 8sin(x)cos(X)
2 answers
asked by
Rachel
624 views
if sin A + sin^2 A = 1, then the value of cos^A + cos^4 A is
(A) 2 (B) 1 (C) -2 (D) 0
1 answer
asked by
chinnu
417 views
1)sinx+cosx=1
2)sinx+cosx=1+sin2x
3 answers
asked by
lisa
425 views
1=2pi times the square root of (L/9.8)
2 answers
asked by
Mani
780 views
Given sin (x-y)=1/4, sin x cos y=3/5,and tan y=3/2,without using mathematical table or scientific calculator,find the values
2 answers
asked by
cianhuan
472 views
Prove That 2sin^pi/6 + cosec^7pi/6cos^pi/3 = 3/2
1 answer
asked by
Anonymous
435 views
if sec x +tan x=p, then tan xeuqalto what. How?
1 answer
asked by
marley
467 views
please solve these if possible
Q1. If sinx +siny=3(cosy-cosx) then the value of sin3x/sin3y. Q2. If sina ,cosa,and tan a are in
4 answers
asked by
marley
1,505 views
sin theta= 7/25, 0< theta < pi/2 cos beta=8/17, 0, beta, pi/2 Find(theta+ beta)
1 answer
asked by
Stephanie
655 views
Find all solutions of the equation in the interval [0,2pi).
sqrt(3)cottheta-1= 0 Write your answer in radians in terms of pi. If
4 answers
asked by
Rachal
2,199 views
Cos(2theta)=-1/2
There are 6 solutions, how do i solve this?
2 answers
asked by
Thanh
676 views
sin^2x/sec^2x-1
1 answer
asked by
Kelly
789 views
solve each equation for 0 less than or equal to x greater than 2ð.
cot²x-cscx=1 thanks:) step by step please :)
2 answers
asked by
Rachael
527 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