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Question

If sinθcosθ+cosθsinθ=2 with 0<θ<90 then what is θ equal to?

A
30
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B
45
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C
60
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D
75
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Solution

The correct option is B 45
tanθ+cotθ=2, 0<θ<90
We know 1+1=2
and tan45=cot45=1
θ=45

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