Question: please post screenshot matlab input 13. Two trigonometric identities are given by: tan 3x 3 tanx - tanh (b) cos 4x = 8(cos*x - cosx)+1
13. Two trigonometric identities are given by: tan 3x 3 tanx - tanh (b) cos 4x = 8(cos*x - cosx)+1 1 - 3 tan For each part, verify that the identity is correct by calculating the values of the left and right sides of the equation, substituting x 24
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