Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesMaximum and minimum values of trigonometrical functions, Conditional trigonometrical identities
Difficultयदि $m$ और $M$ फलन $4 + \frac{1}{2} \sin^2 2x - 2 \cos^4 x$ के न्यूनतम और अधिकतम मान हैं,जहाँ $x \in R$,तो $M - m$ का मान ज्ञात कीजिए।
- A$\frac{9}{4}$
- B$\frac{15}{4}$
- C$\frac{7}{4}$
- D$\frac{1}{4}$
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