Mathematics · Trigonometry
यदि tan2(θ) + tan4(θ) = 1 है, तो निम्नलिखित में से कौन सा संबंध सही है?
- 1cot2(θ) + cot4(θ) = 1
- 2cos2(θ) + cos4(θ) = 1✓
- 3sin2(θ) + sin4(θ) = 1
- 4cosec2(θ) + sec4(θ) = 1
सही उत्तर देखें
cos2(θ) + cos4(θ) = 1
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