An airplane flies 750 miles due west in 1 1! 2hours and 750 miles due south in 2 hours. what is the average speed of the airplan
1 answer:
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Answer:
Step-by-step explanation:
Given:
To solve:
The given equation.
Solution:
First of all, let us consider an important property of sine and cosine.
OR
We can apply above property to solve for as per given equation.
Changing to sine form:
So, solution to the equation is:
