E. Prove (a) and (b). Perform here the preliminaries to perform (a) and (b). (a) sin40 sino 8cose-4cose (b) cos40 = 8cos
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E. Prove (a) and (b). Perform here the preliminaries to perform (a) and (b). (a) sin40 sino 8cose-4cose (b) cos40 = 8cos
E. Prove (a) and (b). Perform here the preliminaries to perform (a) and (b). (a) sin40 sino 8cose-4cose (b) cos40 = 8cos 40 - 8cos+1
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