CBSE BOARD X, asked by thangamba7649, 1 year ago

Sec 16 cosec 74 -cot 74 tan 16

Answers

Answered by rksingh865519
15

Explanation:

as we know that cosec^2A-cot^2A=1

Now solve the question..

sec(90-74) ×cosec74-cot74 ×tan(90-74)

cosec74×cosec74-cot74×cot74

So, cosec^2 74-cot^2 74=1

1 is your answer

I hope it is helpful to you...

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