The value of tan2ϕ + cot2ϕ – sec2ϕ cosec2ϕ is equal to: – McqOptions

MCQOPTIONS

1.	The value of tan2ϕ + cot2ϕ – sec2ϕ cosec2ϕ is equal to:
A.	-2
B.	-1
C.	0
D.	1
Answer» B. -1

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