Prove the following. 1. Dz(cos x) = - sin x (Hint: Apply the identity cos(A + B) = cos A cos B - sin
Prove the following. 1. Dz(cos x) = - sin x (Hint: Apply the identity cos(A + B) = cos A cos B - sin A sin B) cosx 2. Dz(cot x) = - csc? x (Hint: Use the identities: cot x = and csc x = sinx sin x
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Authors: Jerald Murdock, Ellen Kamischke, Eric Kamischke
1st edition
1559539844, 978-1604400069, 1604400064, 978-1559539845
