7. Given that tan (A) = and angle A is in 3rd quadrant and cos(B) = – - and %3D 13 angle B is in 2th quadrant. Find: (a) cos (B) (b) sin (A – B) (c) cos (2A) (d) tan (B) (e) cos

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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i need A,B,C please do in notebook

7. Given that tan (A) = - and angle A is in 3rd quadrant and cos(B) = –
%3D
13
angle B is in 2th quadrant. Find:
(a) cos (B)
(b) sin (A – B)
(c) cos (2A)
(d) tan (B)
(e) cos
Transcribed Image Text:7. Given that tan (A) = - and angle A is in 3rd quadrant and cos(B) = – %3D 13 angle B is in 2th quadrant. Find: (a) cos (B) (b) sin (A – B) (c) cos (2A) (d) tan (B) (e) cos
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