Mathematics · Trigonometry & Differentiation
Let x = sec(θ) - cos(θ) and y = sec4(θ) - cos4(θ). What is (dydx)2 equal to?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 116(y2-4)x2-4
- 216(y2+4)x2+4✓
- 34(y2-4)x2-4
- 44(y2+4)x2+4
Correct answer
16(y2+4)x2+4
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