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If tan((pi)/(2) sin theta )= cot((pi)/(...

If ` tan((pi)/(2) sin theta )= cot((pi)/(2) cos theta )`, then ` sin theta + cos theta ` is equal to

A

0

B

1

C

`-1`

D

1 or -1

Text Solution

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The correct Answer is:
D
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Knowledge Check

  • The value of cot((pi)/(4)+theta)cot((pi)/(4)-theta) is

    A
    `-1`
    B
    0
    C
    1
    D
    Not defined

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