
Trigonometry (11th Edition)
11th Edition
ISBN: 9780134217437
Author: Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher: PEARSON
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Question
In right triangle ABC with m∠B= 90°, 2sinA=3cosA. Thus, what is the value of sin A?
a. 3 √13 / 13
b. 4 √13 / 13
c. 9/13
d. 4/13
The right answer is said to be letter A. I do not know how to solve this one. Please explain thanks!
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