Question

if sec theta =a/b,show that a sin theta -4 sin theta/a sin theta +4 sin theta =a^2-b^2/a^2+b^2

Answer 1

sec theta =a/b, so sin theta -4 sin theta/a sin theta +4 sin theta =a^2-b^2/a^2+b^2.

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Answer 2

Answer:

I need explain about this topic