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Question
secondary 4 | A Maths
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Help please!! Ty
Date Posted: 4 years ago
Views: 286
dy/dx = -2sin 2x - 3cos x
-2sin 2x - 3cos x = 0
2sin x cos x + 3cos x = 0
cos x (2 sin x + 3) = 0
-2sin 2x - 3cos x = 0
2sin x cos x + 3cos x = 0
cos x (2 sin x + 3) = 0
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done
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clear
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need to understand how to reject values based on range given by question after solving
Date Posted:
4 years ago
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