Last Updated :
26 Apr, 2019
is equal to
(A) 2 secθ
(B) 2 cosθ
(C) 2 sinθ
(D) 2 tanθ
Answer: (A)
Explanation: It can be solved by rationalization
Use the property:-
(1-sin2θ = cos2θ)
= 2/cosθ = 2 secθ
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