Concept explainers
To find: the value of the trigonometric function without use of trigonometric and inverse
Answer to Problem 19WE
Explanation of Solution
Given:
Concept used:
Pythagoras theorem state that:
For unit
Calculation:
From unit circle hypotenuse will be
Pythagoras theorem state that:
Here perpendicular is
From equation
Putting value of
Hence,
Chapter 14 Solutions
Algebra and Trigonometry: Structure and Method, Book 2
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