Question

Evaluate.

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✓ Answer with full explanation.

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Answer 1

cosec 51 - co sec {90-59}
cosec 51 - cosec 51
=0

Answer 2

hello there,
___________

cosec 31=sec(90-59)=sec 59.--- 1

given :cosec 31-sec 59
=from 1 :
=sec 59-sec 59.
(positive and negative sec 59 will be cut)
=hence answer =0.
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i hope it helps u !!☺