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Show that sin^-1(12/13) + cos^-1(4/5) + ...

Show that `sin^-1(12/13) + cos^-1(4/5) + tan^-1 (63/16) = pi`

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Prove that : sin^-1 (5/13) +cos^-1 (3/5) =tan^-1 (63/16)

Prove that sin^-1(4/5) + cos^-1 (12/13) = tan^-1 (63/16)

Prove that : sin^-1(12/13) + cos^-1(3/5) = sin^-1(56/65)

Prove that : sin^-1 (5/13) + cos^-1 (3/5) =sin^-1 (63/65)

Show that sin^-1 (4/5) + sin^-1 (5/13) + sin^-1 (16/65) = pi/2

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