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[" 46) "cos[cos^(-1)(-(1)/(7))+sin^(-1)(...

[" 46) "cos[cos^(-1)(-(1)/(7))+sin^(-1)(-(1)/(7))]=],[" (1) "-(1)/(3)],[" (2) "0],[" (3) "(1)/(3)],[" (4) "(4)/(9)]

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The value of cos[cos^(-1)(-(1)/(7))+sin^(-1)(-(1)/(7))] is -

The value of cos[cos^(-1)(-(1)/(7))+sin^(-1)(-(1)/(7))] is -

Show that: cos(2tan^(-1)((1)/(7)))=sin(4tan^(-1)((1)/(3)))

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Show that: cos(2tan^(-1)(1/7))=sin(4tan^(-1)(1/3))

Show that cos(2Tan^(-1).(1)/(7))=sin(2Tan^(-1).(3)/(4))

cos[2 sin^(-1) 3/4 + cos^(-1)3/4]

Prove that cos(2Tan^(-1)1/7) = sin(4Tan^(-1)1/3)