Mathematics · Trigonometry
If tan2(θ) + tan4(θ) = 1, then which of the following relations is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cot2(θ) + cot4(θ) = 1
- 2cos2(θ) + cos4(θ) = 1✓
- 3sin2(θ) + sin4(θ) = 1
- 4cosec2(θ) + sec4(θ) = 1
Correct answer
cos2(θ) + cos4(θ) = 1
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