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Trigonometric Equations
Page 7
Questions (452)
solve for C0T^2X - CSC^2X =?
1 answer
asked by
CYNTHIA
288 views
sinx cosx - 2 cosx = 0
thanks
1 answer
asked by
Jen
271 views
What would cos2theta=-1/2 be???
1 answer
asked by
becca
308 views
if a and b are acute angels and sin(a+b)=1,sin(a-b)=1/2
then prove that (1)tan(a+2b)=-(3)1/2
1 answer
asked by
kalpana
965 views
2cosx + 1 = 0
solve the equation for solutions in the interval : 0 < x < 2pie those are less than or equal too signs
2 answers
asked by
Amy
591 views
how do you veriy
tan x + Cot y -------------- = tan y + cot x 1-tan x cot y sin^4x + cos^4x = 1- 2cos^2x + 2cos^4
3 answers
asked by
Dizzytrig
554 views
Solve the given triginometric equation analytically
7 sinx - 2 = 3(2 - sin x) If your are online, thank you my dear Reiny:) Priya
1 answer
asked by
Priya
419 views
Solve the triginometric equation analytically. Use values of x for 0 less then or equal to x less then 2pi
The equation for this
2 answers
asked by
Priya
578 views
Solve the given triginometric equation analytically. Use values of x for 0 less than or equal to x less than 2pi
P.S Thanks Reiny
4 answers
asked by
Priya
445 views
solve secx/2=cosx/2 over the interval[0,2pi) without using a calculator
1 answer
asked by
jake
443 views
Write an expression that gives all solutions to the equation
sin x + cos x = - radical 2
2 answers
asked by
Abe
468 views
State the vertical shift and the equation of the midline for y=4cosx-1.
k = -1 y = -1 vertical shift = -1 midline equation is
1 answer
asked by
does it matter at this point?
347 views
Solve sinx+cosx=0
Thanks!
3 answers
asked by
Andrea
454 views
Hi. Can somebody help me solve this equaton with EXACT answers?
----- sin3x = 0 ----- Thankyou! All help is appreciated.
1 answer
asked by
sqleung
400 views
Solve the equation for exact values of x.
sin(x) = 1-2(sin(x))^2
1 answer
asked by
Anonymous
368 views
How do you work these out?
sec u- 1 / 1-cos u = sec u sec x-cos x= sin x tan x 1/sin x - 1/csc x= csc x - sin x
1 answer
asked by
jd
443 views
find soultuion in degree, use exact value
1. cos2xcosx+sin2xsinx=-1/2
2 answers
asked by
pam
516 views
If any body could help me figure out these problems. I would love to know how to do it, and not just get an answer, however if
7 answers
asked by
Bryan
714 views
is x=15 degrees a solution of radical 3/3 cos2x+sin2x=0
1 answer
asked by
larry
458 views
I have the trigonometric equations:
y=3+2sec(pi/8)(x-3) y=12+4cot(pi/6)(x-1) y=3+7csc(pi/4)(x-1) how do I make these into sine,
2 answers
asked by
kenny
486 views
gahh i cant figure this one out either. you have you verify the identity only using one side of the equation:
sec^2x*sin^2x+sec^2
1 answer
asked by
Devon
464 views
Solving Trigonometic Equations
solve for x and give the answers as a equations : ( by radian) 1)cos(sinx)=1 <<<and thanks >>> We
1 answer
asked by
abdo
586 views
Solving Trigonometic Equations
solve for x : ( by radian) 1)cotx= 3 2)secx = 0.5 <<<and thanks >>> 1) Same as tan x = 1/3. Use a
1 answer
asked by
abdo
1,052 views
Please take a look at DEVON's trig equation at 9:14
I must be missing something obvious. If the second had been 3sin 2x it would
1 answer
asked by
Reiny
587 views
hi, i need help solving this trigonometric equation:
sinx+3cosx=0 i don't know what to do as i can't just diviide the two to
1 answer
asked by
elle
503 views
Find the exact solutions on the interval [0,pi].
2sin2x = sqrt(x) Please help me! kristie, this problem is somewhere between a
1 answer
asked by
kristie
587 views
Solve tan2x = 5sin2x
Giving all solutions in the interval 0 ≤ x ≤ 180°
4 answers
asked by
Tony
2,670 views
tan theta= 15/8 and pi< theta<3pi/2
a. Sin(- theta) b. cos2theta c. sin( theta - 3pi/4) d. cos(theta/2) can someone explain to me
2 answers
asked by
unknown
2,541 views
Solve:(sec 35 degrees) (csc 55 degrees) - (tan 35 degrees) (cot 55 degrees)
4 answers
asked by
Audrey
2,335 views
Prove that (2√3+3)sinx+2√3cosx lies between -(2√3+15) and (2√3+15)
3 answers
asked by
krishan
2,251 views
cos2x=secx find x
3 answers
asked by
Cody
1,559 views
what is a Trigonometric equation with solutions x = 5pi/6, 7pi/6
3 answers
asked by
Anonymous
1,428 views
Solve the trigonometric equations.
1.) SIN²x(CSC²x-1) 2.) COT x SEC X 3.) COS²[(π/2)-x]/COS X (Note: These mathematical
2 answers
asked by
AwesomeGuy
1,251 views
(3-4cos(2x)+cos(4x))/(3+4cos(2x)+cos(4x))=tan^6(x)
4 answers
asked by
Dg
1,245 views
i have a few questions
cosx + cosx =2secx ----- ----- 1+sinx 1-sinx cos(x-B)-cos(x-B) = 2sinxsinB csc2x= 1 secx cscx --- 2 cotx=
5 answers
asked by
jessika
1,175 views
prove:
2sinx+sin2x = 2sin^3(x)/1-cosx
3 answers
asked by
Veronica
1,085 views
Please I need help.Show full working out. (a) sin x cot x= cos x (b) (1 + tan theta)^2 + (1- tan theta)^2 = 2sec^2theta
2 answers
asked by
Shane
1,042 views
if tanX=a/b, then show that asinX-bcosX/asinX+bcosx = a^2-b^2/a^2+b^2
1 answer
asked by
krishan
1,053 views
If sin (theta+24)=costheta where theta is acute angle .find theta
2 answers
asked by
Manish
1,026 views
Give that x is angle in the first quadrant such that 8sin 2x + 2cosx – 5 = 0
Find: cosx tanx
2 answers
asked by
kudu
1,035 views
Solve sin2x + sin4x = cos2x + cos 4x for x in the interval[0,2pi)
Hint: the following substitution should come in handy: sin3x=
3 answers
asked by
greg
1,015 views
evaluate each of the following...sin 75-cos 105-sin 15+cos 15
3 answers
asked by
Jossie
948 views
Can I please get some help on these questions:
1. How many solutions does the equation,2sin^2 2 θ = sin2θ have on the interval
2 answers
asked by
mysterychicken
999 views
This is a continuation of a math problem I posted earlier. I'm a little confused by this question.
From your equation, when
4 answers
asked by
Anonymous
894 views
8 Tan^2 theta sin theta + 4 Tan^2 theta = 0
3 answers
asked by
sherri
867 views
tanx+secx=2cosx
(sinx/cosx)+ (1/cosx)=2cosx (sinx+1)/cosx =2cosx multiplying both sides by cosx sinx + 1 =2cos^2x sinx+1 =
1 answer
asked by
shan
865 views
if sin a=0.5 then find the value of cos3a
2 answers
asked by
deepak
1,119 views
1. 3cot^2 (x) - 1 = 0
My answer: pi/3, 2pi/3, 4pi/3, 5pi/3 2. 4cos^2 (x) - 1 = 0 My answer: pi/3, 2pi/3, 5pi/3, 4pi/3 3. 2sin (x)
3 answers
asked by
Wanda
1,112 views
General solution
Cos^2 +3sin= -3
2 answers
asked by
Wayne
788 views
Solve:
2cos^2 theta - 3cos theta+ 1= 0 interval [0, 2ð)
2 answers
asked by
Abigail
769 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