Question: Example 2. Evaluate each of the following without using a calculator. (a) sin sec-1 (b) cos (tan-1 ! ) , x> 0

Example 2. Evaluate each of the following without using a calculator.

(a) sin sec-1 (b) cos (tan-1 ! ) , x> 0

Example 2. Evaluate each of the following without using a calculator. (a) sin sec-1 (b) cos (tan-1 ! ) , x> 0

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