If cos θ = 2p/(p2 + 1), then sin θ is equal to: – McqOptions

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1.	If cos θ = 2p/(p2 + 1), then sin θ is equal to:
A.	(p2 - 1)/(p2 + 1)
B.	2p/(p2 - 1)
C.	(p2 + 1)/(p2 - 1)
D.	p2/(p2 + 1)
Answer» B. 2p/(p2 - 1)

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