Asked by Albert
can someone help me prove the identities on this:
1- 1/2 sin2θ = sin^3θ + cos^3θ / sinθ + cosθ
1- 1/2 sin2θ = sin^3θ + cos^3θ / sinθ + cosθ
Answers
Answered by
Reiny
You will need brackets to establish the proper order of operations.
e.g , the way you have it, the cos^3 Ø would be divided by sinØ, but it probably is divided by (sinØ + cosØ)
etc.
e.g , the way you have it, the cos^3 Ø would be divided by sinØ, but it probably is divided by (sinØ + cosØ)
etc.
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