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3 If sinx= and cos y=- a) sin(x-y) 12 13, where 0≤x≤ and sysx, find the following. c) sec(x-y) b) tan(x + y)

3 If sinx= and cos y=- a) sin(x-y) 12 13, where 0≤x≤ and sysx, find the following. c) sec(x-y) b) tan(x + y)

Advanced Engineering Mathematics
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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12 If sinx= and cos y=- 3 13 a) sin(x - y) where 0≤x≤2/2 and b) tan(x + y) syst sys, find the following. c) sec(x-y)
Transcribed Image Text:12 If sinx= and cos y=- 3 13 a) sin(x - y) where 0≤x≤2/2 and b) tan(x + y) syst sys, find the following. c) sec(x-y)
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