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Trigonometric Ratio and Identites question

2016 · 9 Apr · Shift 1 · Q32

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JEE Main
Mathematics
Trigonometric Ratio and Identites
2016 · 9 Apr · Shift 1 · Q32

Trigonometric Ratio and Identites question

2016 · 9 Apr · Shift 1 · Q32

JEE MainMathematicsTrigonometric Ratio and IdentitesMCQ+4 / −1

If m and M are the minimum and the maximum values of 4 +

{1 \over 2}

sin2 2x

-

2cos4 x, x

\in

R, then M

-

m is equal to :

A
${{15} \over 4}$
B
${{9} \over 4}$
C
${{7} \over 4}$
D
${{1} \over 4}$

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