Physics · Trigonometric Identities in Waves
नीचे दिया गया कौन सा व्यंजक (1 + 2 sinθ cosθ) के बराबर है?
- 1(sinθ - cosθ)2
- 2(1 + cosθ)2
- 3(sinθ + cosθ)2✓
- 4(1 + sinθ)2
सही उत्तर देखें
(sinθ + cosθ)2
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