Exercises 21-28: (Refer to Example 4.) Find the following. (a) sin(a + B) (b) cos (a + B) (c) tan (a + B) (d) The quadrant containing a + B 21. sina = 3 · } and sinß = √3, a and ß in quadrant I 22. cosa = - and cosß = -13, & and ß3 in quadrant II 13 a
Exercises 21-28: (Refer to Example 4.) Find the following. (a) sin(a + B) (b) cos (a + B) (c) tan (a + B) (d) The quadrant containing a + B 21. sina = 3 · } and sinß = √3, a and ß in quadrant I 22. cosa = - and cosß = -13, & and ß3 in quadrant II 13 a
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter6: The Trigonometric Functions
Section6.3: Trigonometric Functions Of Real Numbers
Problem 55E
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