Mathematics · Trigonometry

sin(π18) + sin(π9) + sin(2π9) + sin(5π18) का मान क्या होगा?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1sin(7π18) + sin(4π9)✓
21
3cos(π6) + cos(3π7)
4cos(π9) + sin(π9)

सही उत्तर देखें

sin(7π18) + sin(4π9)

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sin(π18) + sin(π9) + sin(2π9) + sin(5π18) का मान क्या होगा?

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sin(π18) + sin(π9) + sin(2π9) + sin(5π18) का मान क्या होगा?

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