SOLUTION: Find the exact value of the expression. Cos[sin^-1 1/3 -tan^-1 1/2] Please show me step by step. Thanks.

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Question 1067792: Find the exact value of the expression.
Cos[sin^-1 1/3 -tan^-1 1/2]
Please show me step by step. Thanks.

Answer by ikleyn(52847)   (Show Source): You can put this solution on YOUR website!
.
I have difficulties reading your formula.

Is it

  ??


Please confirm.

Again, cos ( arccos(1/3) - acrctan(1/2) ) ??


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