If sin θ+sin²θ = 1 then cos²θ+cos4θ is equal to: – McqOptions

MCQOPTIONS

1.	If sin θ+sin²θ = 1 then cos²θ+cos4θ is equal to:
A.	sinθ/cos²θ
B.	1
C.	None
D.	cos²θ/sinθ
Answer» C. None

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