Biology, asked by pbstate52727, 1 year ago

cosec^2 50° - cot50° × tan40° + cos80°/sin10°

Answers

Answered by bhagyajyothi1978

7

Answer:

hope you understand...........

Attachments:

Answered by san2063

26

Answer:

2

Explanation:

Cosec² 50 - Cot50 . Tan(90-50) + Cos(90-10)/ Sin 10

= Cosec²50 - Cot50 . Cot50 + Sin10/Sin10

= Cosec²50 - Cot²50 + 1

Since cosec² = 1 + Cot²

So, therefore...

= 1+1

=2

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