sin(4x)/sin(x)=4cos(x)cos(x) verify the identity

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sin(4x)/sin(x)=4cos(x)cos(x)verify the identity
1. 2 answers
2. asked by jessica
3. 432 views
verify the identity2sin^2(x/2)+4cos^2(x/2)-3=cos(x)
1. 1 answer
2. asked by cas
3. 303 views
I did post it wrong.sin(4x)/sin(x)=4cos(x)cos(2x). Verify the identity, please explain!
1. 3 answers
2. asked by JD
3. 521 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. 65 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. 80 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. 503 views
how do you verify cos3x=4cos^3x-cosx???
1. 0 answers
2. asked by lindsey edler
3. 705 views
how do i verify these?1-sin^2B 1. ----------- = csc^2B-sec^2B sin^2Bcos^B 2. cos(2a+a) = 4cos^3a-3cosa
1. 2 answers
2. asked by anjelica318
3. 503 views
how do I verify?? sin(x)+cos3(x)=sin(x)-3cos(x)+4cos^(3)x
1. 0 answers
2. asked by bee
3. 613 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. 597 views