prove that
cosecA (1+cosA) (cosecA-cotA)=1
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Answered by
1
Step-by-step explanation:
Hope this will help u..☺
And sorry for a mistake in this answer.
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Answered by
3
Step-by-step explanation:
lhs=cosecA(1+cosA)(cosecA-cot A)
=1/sinA(1+cosA)(1/sinA-cosA/sinA)
=1+cosA/sinA(1-cosA/sinA)
=by using identity (a+b)(a-b)
=1-cos^A /sin^A
=now by using identity sin^A +
cos^A =1
=sin^ A /sin^A
=1
=rhs
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