solve this question mate plzz
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Answer:
answer for the given problem is given
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Answer:
secø-1/secø+1
= (1/cosø-1)/(1/cosø+1)
=(1-cosø/cosø)/(1+cosø/cosø)
=(1-cosø)(1+cosø)/(1+cosø)²
=1-cos²ø/(1+cosø)²
=sin²ø/(1+cosø)²
hence proved.
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