Q. 23.5( 2 Votes )
Mark the Correct A.
B. 
C. 
D. None of these
Answer :
Given expression is 
[using 
]
[using cos2θ = 1 – 2 sin2θ ]
[using sin2θ = 2sinθcosθ ]
[using 
]
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Mark the Correct
RD Sharma - MathematicsMark the Correct
RD Sharma - Mathematics