1.

If tan(pi cos theta)=cot(pi sin theta), 0 lt theta lt (3pi)/(4) then sin(theta+(pi)/(4))=

Answer»

`(1)/(SQRT(2))`
`-(1)/(sqrt(2))`
`(1)/(2sqrt(2))`
`-(1)/(2sqrt(2))`

ANSWER :C


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