3. 4. The exact radian measure of 220⁰ is: 2π a) 27 9 b) a) 1 13πT 18 21π c) 217 18 Given that secx = -√2 and x lies in the third quadrant, the value of cotx is: b)/2 11π d) 11,7 9 c) -1 d) -
3. 4. The exact radian measure of 220⁰ is: 2π a) 27 9 b) a) 1 13πT 18 21π c) 217 18 Given that secx = -√2 and x lies in the third quadrant, the value of cotx is: b)/2 11π d) 11,7 9 c) -1 d) -
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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PLs help ASAP on both pls I BEG
Transcribed Image Text:3.
4.
The exact radian measure of 220⁰ is:
a)
2π
9
b)
a) 1
13π
18
21π
18
Given that secx= -√2 and x lies in the third quadrant, the value of cotx is:
d)/33
b) √/12/2
11π
d) 117
9
c) −1
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