sin 75° का मान ज्ञात कीजिए। 

Answer (Detailed Solution Below)

Option 2 :
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Army Havildar SAC - Quick Quiz
5 Qs. 10 Marks 6 Mins

Detailed Solution

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संकल्पना:

sin (x + y) = sin x cos y + cos x sin y

sin (x - y) = sin x cos y - cos x sin y

गणना:

sin 75°

= sin (45° + 30°)

= sin 45° cos 30° + cos 45° sin 30° 

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