IPMAT Indore 2019 (MCQ) - If sin + cos = m, then sin^6 + cos^6 equals | PYQs + Solutions

IPMAT Indore 2019

Geometry

Trigonometry

Hard

If $sin \theta + cos \theta = m$ , then $sin^6 \theta + cos^6 \theta$ equals

\frac{3(m^2+1)}{4}

\frac{3(m^2-1)}{4}

1-\frac{3(m^2-1)}{4}

1-\frac{3(m^2-1)^2}{4}

Correct Option: 4

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