Question: P x cos x - sin 5/2 sin 5/2 x cos x = cos xsin x 21. sin 1/2 x cos x 22. secx(sec

P x cos x - sin 5/2 sin 5/2 x cos x

P x cos x - sin 5/2 sin 5/2 x cos x = cos xsin x 21. sin 1/2 x cos x 22. secx(sec x tan x) - sec4x(sec x tan x) = sec5x tan x cot x sec 0-1 23. = CSC X- - sin x 24. secr

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