verify the identity sin(4u)=2sin(2u)cos(2u)

verify the identity sin(4u)=2sin(2u)cos(2u)
1. 2 answers
2. asked by stacey graham
3. 3,342 views
verify the identity2sin^2(x/2)+4cos^2(x/2)-3=cos(x)
1. 1 answer
2. asked by cas
3. 312 views
verify the following identity:2sinxcos^3x+2sin^3cosx=sin(2x)
1. 0 answers
2. asked by Lynn
3. 609 views
How do I verify this identity? (I've tried a lot but it's just not working)(sin2x + sin2y) = 2sin(x+y)cos(x-y)
1. 0 answers
2. asked by Zack
3. 549 views
1-cos (2A)/2sin A+ SIN (2A)= tan (A/2)I need to verify the identity I have no idea how to do that and I have a test please
1. 1 answer
2. asked by Rachel
3. 445 views
Verify the identities.Cos^2x - sin^2x = 2cos^2x - 1 When verifying identities, can I work on both side? Ex. 1 - sin^2x - sin^2x
1. 1 answer
2. asked by Shadow
3. 639 views
1.Verify the basic identity. What is the domain of validity? Cot θ = cos θ csc θ 2. Verify the identity. Justify each step.
1. 1 answer
2. 90 views
Please complete all questions1. Verify the basic identity. What is the domain of validity? Cot θ = cos θ csc θ 2. Verify the
1. 1 answer
2. 75 views
need help don't understand how to do this....1.Verify the identity cot(θ-( π/2)= -tan θ 2. Verify the identity tan θ + cot
1. 2 answers
2. asked by Anonymous
3. 513 views
Verify that the trigonometric equation is an identity. 1/2 sin 2 x − sin^2x over sinxcos2x = 1 over sinx+cosxVerify that the
1. 2 answers
2. asked by Ricky
3. 616 views