To write: The expression in terms of the first power of the cosine.
Answer to Problem 99CR
The required expression is
Explanation of Solution
Given information:
The expression:
Formula used:
Power reducing formula:
Calculation:
The given expression is
The given expression can be re-written by using the formula
Expand the above expression further.
Expand the above expression using the power reducing formula
Expand the above expression using the formula
Hence, the required expression is
Chapter 5 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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