Concept explainers
To find: The algebraic form of the given trigonometric expression.
Answer to Problem 53E
The algebraic form of the trigonometric expression
Explanation of Solution
Given information:
The trigonometric expression
Formula used:
Calculation:
Consider trigonometric expression
The above expression is of the form
Recall difference rule for sine function is
Trigonometric and its inverse trigonometric function cancel each other.
Apply it,
For
Recall that
Construct a right angle triangle with perpendicular p as
Since,
So, hypotenuse h of triangle is
For
Recall that
Construct a right angle triangle with base b as x and hypotenuse h as 1.
Since,
So, perpendicular p of triangle is
The expression is reduced to,
Thus, the algebraic form of the trigonometric expression
Chapter 5 Solutions
PRECALCULUS W/LIMITS:GRAPH.APPROACH(HS)
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