please answer it l would be greatfull to you.
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sin(90-theta)=cos theta
so,
cos75/sin(90-75) +sin(90-78)/cos78 - cos18/sin(90-18)
cos75/sin75 + sin78/cos78 - cos18/sin18
1+1-1
=1
so, the answer is one
so,
cos75/sin(90-75) +sin(90-78)/cos78 - cos18/sin(90-18)
cos75/sin75 + sin78/cos78 - cos18/sin18
1+1-1
=1
so, the answer is one
apuroop135:
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