Asked by Tony
Prove that cos²theta + tantheta cosectheta=cos theta
Answers
Answered by
oobleck
cos^2θ + tanθ cscθ = cosθ
clearly false. consider θ = π/4
1/2 + 1*√2 ≠ 1/√2
clearly false. consider θ = π/4
1/2 + 1*√2 ≠ 1/√2
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