(CosecA - cotA)^2 = 1-cosA/1+cosA
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Answered by
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(cosecA-cotA)²
=> 1/sinA - cosA/sinA
=> (1-cosA)²/sin²A
=> (1-cosA)²/(1-cos)(1+cos)
=> 1-cosA/1+cosA
=RHS
hence proved
anshi777:
Thank you so much
Answered by
1
Answer:
Step-by-step explanation:
(cosecA-cotA)²
= (1/sinA - cosA/sinA)²
= (1-cosA)²/sin²A
= (1-cosA)²/(1-cos)(1+cos)
= 1-cosA/1+cosA
=RHS
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