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for which value of theta is tan theta equal to sin theta?

My answer is pi

2 answers

well, let's see

tanØ = sinØ
sinØ/cosØ = sinØ
sinØ = sinØcosØ
sinØ - sinØcosØ = 0
sinØ(1 - cosØ)=0
sinØ = 0 or cosØ = 1

Ø = 0, π, 2π

thank you

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