Math, asked by dishamunot2004, 1 year ago

Trigonometry.
cos81°+cot81°=

Answers

Answered by AneekBiswas1
9
Hey we can do so by the following way...
cos81
=cos(90-9)
=sin9

cot81
=cot(90-9)
=tan9

Therefore,
Cos81 + Cot81
=sin9 + tan9

Hope you like it...
Mark as brainliest....
Answered by mahimauli106
0

Answer:

cos(90-9)+cot(90-9)

=sin 9+ tan 9

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