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Question

The expression E=1cosecθcotθ1sinθ is equal to which of the following expression?


A

sinθ

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B

cotθ

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C

- cot θ

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D

sec θ

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Solution

The correct option is B

cotθ


We have,

E=11sinθcosθsinθ1sinθ=sinθ1cosθ1sinθ=1+cosθsinθ1sinθ=cosθsinθ=cotθ


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