1.

Cos8+sin8/cos8-sin8=cot37

Answer»

SIN8 + cos8 / sin8 - cos8

=1 + cot8 / 1 - cot8

= 1 + COT45 cot8 / cot45 - cot8

= COT (45-8)

= cot37

= 1 / tan37

=tan37


Hope it HELPS u.



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