7. (a) 8. (a) 2 л 10 36° (b) 72° (c) 144° It is known that sin >0 and tan <0 for 0≤0≤2л " COS >0 (b) cos <0 (c) cos >0 or cos <0 are both || possible then (d) 1.256° (d) Cannot be determined
7. (a) 8. (a) 2 л 10 36° (b) 72° (c) 144° It is known that sin >0 and tan <0 for 0≤0≤2л " COS >0 (b) cos <0 (c) cos >0 or cos <0 are both || possible then (d) 1.256° (d) Cannot be determined
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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Transcribed Image Text:7.
(a) 36°
8.
2 л
10
(a)
||
(b) 72°
(c) 144°
It is known that sin 0>0 and tan <0 for 0≤0≤2л
9
COS >0
(b) cos 0<0
(c) cos >0 or
cos <0 are both
possible
then
(d) 1.256°
(d) Cannot be
determined
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