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Concept explainers
To find the three trigonometric ratios for angle B .
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Answer to Problem 20PPS
Explanation of Solution
Given:
Concept used:
Pythagoras’ Theorem:
The square of the hypotenuse of a right
Hypotenuse is the longest side of the right triangle.
Perpendicular is the line at an angle of
Base is the side of the right triangle on which the right angle stands.
Relationship between angles and the sides of the triangle is given by,
Calculation:
From the given figure,
By Pythagoras theorem,
The three trigonometric ratios are,
1.
2.
3.
Conclusion:
Therefore, the three trigonometric ratios are
Chapter 10 Solutions
Algebra 1
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