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To Calculate: The simplified value of the expression
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Answer to Problem 26RE
The simplified value of the expression
Explanation of Solution
Given information:
The expression is
Formula used:
For the cosine function and its inverse, the following holds:
Where,
Tangent function and cosine function related as,
Calculation:
Consider the expression
Simplify it,
As,
Recall that tangent function and cosine function related as,
Using it,
Observe that the value
Recall that for the cosine function and its inverse, the following holds:
Where,
Simplify further,
Thus, the simplified value of the expression
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Precalculus
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