Maths / Introduction to Trigonometry / Trigonometric Identities

QUESTION

The value of $\fn_jvn \large \left ( sin^27\frac{1}{2}^0+cos^27\frac{1}{2}^0 \right )+\left ( sin^260^0+cos^260^0 \right )+\left ( sin ^217^0+sin^273^0 \right )$  is equal to

 OPTIONS A. 3 B. $3\frac{1}{2}$ C. 2 D. 3
Right Option : D

EXPLANATION
Explain TypeExplanation Content
Text

sin $\fn_jvn \large 73^0=cos 17^0$

$\therefore$ the given expression is 1+1+1=3

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