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Let varphi,phi in [0,2pi] be such that 2...

Let `varphi,phi in [0,2pi]` be such that `2costheta(1-sinphi)=sin^2theta(tan(theta/2)+cottheta//2)"cos"phi-1,"tan"(2pi-theta)>0` `and −1<"sinθ"< −sqrt3/2 ` then φ lies between

A

`0 lt phi lt (pi)/2 `

B

`(pi)/2 ltphi lt (4pi)/3`

C

`(4pi)/3 lt phi lt (3pi)/2 `

D

`(3pi)/2 lt phi lt 2pi `

Text Solution

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The correct Answer is:
A, C, D
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