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If tan((alphapi)/(4))=cot((betapi)/(4)),...

If `tan((alphapi)/(4))=cot((betapi)/(4)),` then

A

`alpha +beta=0`

B

`alpha+beta=2n`

C

`alpha+beta+2n+1`

D

`alpha+beta=2(2n+1), n inZ`

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The correct Answer is:
D
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OBJECTIVE RD SHARMA-TRIGONOMETRIC RATIOS AND IDENTITIES-Chapter Test
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