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For 0ltphilt(pi)/(2)" if " x=sum(n=0)^(o...

For ``0ltphilt(pi)/(2)" if " x=sum_(n=0)^(oo)cos^(2n) phi,y=sum_(n=0)^(oo)sin^(2n)phi" and "z=sum_(n=0)^(oo)cos^(2n)phisin^(2n)phi`, then

A

`xyz=xz+y`

B

`xyz=xy+y`

C

`xyz=x+y+z`

D

`xyz=yz+x`

Text Solution

Verified by Experts

The correct Answer is:
C
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ARIHANT MATHS ENGLISH-TRIGONOMETRIC FUNCTIONS AND IDENTITIES-Exercise (Questions Asked In Previous 13 Years Exam)
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