cot (pie/2 + a) × sin (-a) × cot(pie - a) whole divide by cos(2 pie - a) × sin(pie + a) × tan(2 pie - a) = -cosec a
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all iam explain you.
Step-by-step explanation:
(cot ( pie/2 + a) × sin (-a) × cot( pie - a) )/ cos( 2pie -a) × sin ( pie - a) × sin( pie + a) × tan(2 pie - a) = -cosec a.
((cot ( pie/2 + a ) × sin (-a) × cot ( pie - a ))/ cos ( pi =-a/2) × sin ( pie + a ) × tan ( pie + a) × tan ( pie = - a/2 ).
if we cut that part cos ( pie = -a/2 ) and tan ( pie = - a/2 ). then we answer that .✍✍
then we answer that part you can do it is so easy.
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