Mathematics · Trigonometry
If cos4θ - sin4θ = k, then the value of 1 - k1 + k is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1cosec2θ
- 2cot2θ
- 3sin2θ
- 4tan2θ✓
Correct answer
tan2θ
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