
To find: The given equation
It is proved that the given equation
Given information:
The given equation
Formula used:
The formula of Pythagorean identities are
Calculation:
Apply basic identities of trigonometric functions,
Apply the formula of Pythagorean identities,
The obtained expression is same as the given right side expression. So it is proved that the given equation is likely to be an identity.
Draw the graph of the functions
The graph of the function
Both the obtained graphs are similar and appear to be identical.
Thus, it can be said that the given equation is likely to be an identity from graphical support also.
Chapter 5 Solutions
EBK PRECALCULUS:GRAPHICAL,...-NASTA ED.
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