2. (a) If sec = 2, and 270° < 0 < 360°, find the 5 missing trig. functions at 0. (b) If tan 0 = -2/2, and 270° <0 < 360°, evaluate cos(20) and sin(20). (c) Write csc 0 in terms of cot 0 for 0 in Quadrant III. (d) Find the values of all the missing trig. functions evaluated at t given that tan(t) and cos(t) < 0.
2. (a) If sec = 2, and 270° < 0 < 360°, find the 5 missing trig. functions at 0. (b) If tan 0 = -2/2, and 270° <0 < 360°, evaluate cos(20) and sin(20). (c) Write csc 0 in terms of cot 0 for 0 in Quadrant III. (d) Find the values of all the missing trig. functions evaluated at t given that tan(t) and cos(t) < 0.
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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Part D
Transcribed Image Text:2. (a) If sec = 2, and 270° < 0 < 360°, find the 5 missing trig. functions at 0.
(b) If tan 0 = -2/2, and 270° <0 < 360°, evaluate cos(20) and sin(20).
(c) Write csc 0 in terms of cot 0 for 0 in Quadrant III.
(d) Find the values of all the missing trig. functions evaluated at t given that tan(t)
and cos(t) < 0.
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