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Question

Evaluate (tan 45cosec 30)+(sec 60cot 45)(5sin 902cot 0)

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Solution

We have,
(tan 45cosec 30)+(sec 60cot 45)(5sin 902cot 0)...(i)
`
On substituting the trigonometric values we get,
=12+2152=1+452=0

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