24. If tanA = 5 and A in quadrant III, sinB = 12 3 and B in quadrant IV, find the value of cos( A + B ). 63 A. - 65 63 С. 65 5 D. 13 В. - 13
24. If tanA = 5 and A in quadrant III, sinB = 12 3 and B in quadrant IV, find the value of cos( A + B ). 63 A. - 65 63 С. 65 5 D. 13 В. - 13
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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