Question
Download Solution PDF2 sin 75° cos 75° का मान क्या है?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFसंकल्पना:
2sinx cos x = sin 2x
sin (90° + x) = cos x
गणना:
दिया गया है, 2 sin 75° cos 75°
= sin [2 (75°)]
= sin (150°)
= sin (90° + 60°)
= cos 60°
= \(\rm \dfrac 1 2\)
अतः 2 sin 75° cos 75° का मान \(\rm \dfrac 1 2\) है।
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