Q: If tan α = 2, then the value of $$ {cosec^2 α - sec^2 α}\ov – McqOptions

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1.	Q: If tan α = 2, then the value of $$ {cosec^2 α - sec^2 α}\over{cosec^2 α + sec^2 α} $$ is :
A.	$$ -{15\over 9} $$
B.	$$ {3\over 5} $$
C.	$$ -{3\over 5} $$
D.	$$ {17\over 5} $$
Answer» D. $$ {17\over 5} $$

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