Paper Prove that sin 20+ sin 40 + sin 60 = tan40. cos 20 + cos 40 + cos 60 (OR) -1 -1 Prove that tan Z] 1 - + tan 3 1 - + tan 5 - + tar 7
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tan40. cos 20 + cos 40 + cos 60 (OR) -1 -1 Prove that tan Z] 1 - + tan 3 1 - + tan 5 - + tar 7
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