(1+sin theta)(1-sin theta)/cos2theta
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Answer:
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Step-by-step explanation:
(1+sin theta)(1-sin theta)/cos^2 theta
= ( 1 - sin^2 theta )/ cos^2 theta
= 1 - (1 - cos^2 theta) / cos^2 theta
= cos^2 theta/ cos^2 theta
=1
Answered by
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Answer:
(1+sin theeta)(1-sin theeta)/cos^2theeta
=(1-sin^2theeta)/cos^2theeta
=cos^2theet/cos^2theeta
=1
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