(sec theta+ tan theta) (1 - sin theta) = cos theta
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Answer:
proof is as follows
LHS:
=(sec theta + tan theta)(1-sin theta)
=(1/cos theta + sin theta/cos theta)(1-sin theta)
=(1+sin theta/cos theta)(1-sin theta)
=(1 - sin²theta)/cos theta
=cos²theta/cos theta
=cos theta
= RHS
Answered by
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Answer:
(sec theta+ tan theta) (1 - sin theta) = cos theta
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