The equation cos² θ=(x+y)²/4 xy is only possible when: – McqOptions

MCQOPTIONS

1.	The equation cos² θ=(x+y)²/4 xy is only possible when:
A.	x u003e y
B.	x = y
C.	xu003c y
D.	x = - y
Answer» C. xu003c y

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