Mathematics · Trigonometry

यदि sin(18°) = √5 - 14 है, तो cos2(48°) - sin2(12°) का मान क्या होगा?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1-√5 + 18
2√5 - 18
3√5 + 18✓
4-1 - √58

सही उत्तर देखें

√5 + 18

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यदि sin(18°) = √5 - 14 है, तो cos2(48°) - sin2(12°) का मान क्या होगा?

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यदि sin(18°) = √5 - 14 है, तो cos2(48°) - sin2(12°) का मान क्या होगा?

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