Solve 8sin(pi/4x) = 6 for

Prove the identity:4x=1-8sin^2x+8sin^4x
1. 1 answer
2. asked by PRELUDE
3. 883 views
If we are given 8sin((pi/6)(x+2))+16=20the answers are -1 and 3 because 1/2 can be pi/6 or 5pi/6. However, if y = 10
1. 0 answers
2. asked by Ashley
3. 428 views
solve the following trig equation :7 = 8sin(1/2)x. I can solve this using the half-angle indentity. But i need to solve this
1. 1 answer
2. asked by shan
3. 588 views
Please take a look at DEVON's trig equation at 9:14I must be missing something obvious. If the second had been 3sin 2x it would
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2. asked by Reiny
3. 667 views
14.8cos(27.8)(29cos(x))+14.8sin(27.8)(29sin(x))=22How do you solve for x?
1. 1 answer
2. asked by Emma
3. 483 views
solve for x6tanx - 4sinx = 1 i tried it but got a quartic formula :S 16sin^4x + 8sin^3x + 37sin^2x - 36 = 0
1. 2 answers
2. asked by william
3. 1,125 views
Take the second derivative of 2sin2(x) and evaluate it at x=π/3.So I got the second derivative, -8sin(2x) How do I solve plug
1. 2 answers
2. asked by sal
3. 481 views
Solve 8sin(pi/4x) = 6 for the four smallest positive solutionsGive your answers accurate to at least two decimal places, as a
1. 4 answers
2. asked by Anonymous
3. 7,938 views
what is your answer for 8sin^2theta + sintheta -1 ?and how would you do it ? thanks You have not written an equation. There is
1. 0 answers
2. asked by Tri
3. 524 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)
1. 1 answer
2. asked by Rachel
3. 690 views