Mathematics · Trigonometry
यदि A, B और C एक त्रिभुज के आंतरिक कोण हैं, तो निम्नलिखित में से कौन सा समीकरण सही है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1tan A + tan B + tan C = tan A tan B tan C✓
- 2tan(A/2) tan(B/2) + 1 = tan(B/2) tan(C/2) + tan(C/2) tan(A/2)
- 3cot A cot B + cot B cot C + cot C cot A = −1
- 4sin 2A + sin 2B − sin 2C = 4 cos A sin B cos C
सही उत्तर देखें
tan A + tan B + tan C = tan A tan B tan C
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