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Question 7 - Solve 2 cos^2 x + 3 sin x = 0 - General Solution -Teachoo
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Remake: Beweis cos(2x)=cos^2(x)-sin^2(x) und sin(2x)=2cos(x)*sin(x
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Example 26 - Prove cos 2x cos x/2 - cos 3x cos 9x/2 = sin 5x
Misc 4 - Prove (cos x - cos y)2 + (sin x - sin y)2 - Chapter 3
Ex 5.6, 5 - Find dy/dx, x = cos - cos 2, y = sin - sin 2
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Question 7 - Solve 2 cos^2 x + 3 sin x = 0 - General Solution -Teachoo