Mathematics · Differentiation
If y = cos(x) - sin(x)cos(x) + sin(x), then dydx is equal to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1sec2(π4 + x)
- 2-sec2(π4 + x)
- 3sec2(π4 - x)
- 4-sec2(π4 - x)✓
Correct answer
-sec2(π4 - x)
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