To determine the length of third angle and the two sides.
Explanation of Solution
Given information :
Length of one side is given.
One acute angle is given.
Let us assume the given angles and sides.
Let us assume sides of the
Thus the triangle so formed is,
Whenever one side and two angles are given and we have to find other two sides, we shall use cosine law. Cosine formula states that,
For the different sides it will be applied different times. Hence we find the length of the two sides by putting in the given values.
Chapter 12 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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