solve: Sin2x=Sinx

Verify the identity.sin2x/cosx + sinx = 2sinx Solve for all values of x: 6cos2x-7cosx-3=0 If f(x)=cos1/2x-sin2x find the value
1. 1 answer
2. asked by .
3. 882 views
solve for (<_ = less than or equal to / pie = pie sign / -pie = negative pie)3 sin²x = cos²x ; 0 <_ x < 2pie cos²x - sin²x =
1. 3 answers
2. asked by Julie
3. 1,085 views
solve:Sin2x=Sinx
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2. asked by Lauren
3. 481 views
tanx = 5/12 and sinx<0Find sin2x and cos2x How to get the answers of sin2x = 120/169 and cos 2x = 119/169?
1. 3 answers
2. asked by Amandeep
3. 1,546 views
First make an appropriate substitution and then use integration by parts to evaluate the indefinite integrals:∫ sinx cos³x
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2. asked by Erica
3. 624 views
when y=-sinx and y=sin2x - sinx are added together and graphed, why do the maximum values of two sin functions occur where they
1. 1 answer
2. asked by ellen
3. 508 views
Prove the following:[1+sinx]/[1+cscx]=tanx/secx =[1+sinx]/[1+1/sinx] =[1+sinx]/[(sinx+1)/sinx] =[1+sinx]*[sinx/(sinx+1)]
1. 3 answers
2. asked by Anonymous
3. 950 views
Prove the identity((Cos²x - sin²x) ÷ (cosx + sinx) ) + sinx
1. 1 answer
2. 142 views
1.Solve, finding all solutions in [0, 2π).cosx sin2x + sinx cosx - sinx = 0 2.Solve, finding all solutions in [0, 2π). 3sec x
1. 1 answer
2. asked by brittney
3. 787 views
sinx = 4/5 and x terminates in Quadrant IIFind sin2x and cos2x How to get the answers, which are sin2x = -24/25, cos2x = -7/25?
1. 1 answer
2. asked by Amandeep
3. 1,765 views