Question #67762

2 Answers
Nghi N
Oct 31, 2017

#0^@, 180^@; 360^@#

Explanation:

#sin t = (sin t)/(cos t)#
sin t.cos t = sin t
sin t.cos t - sin t = 0
sin t(cos t - 1) = 0
Either factor should be zero
a. sin t = 0. Unit circle gives -->
t = 0 , t = 180, and t = 360
b. cos t = 1 --> t = 0, and t = 360
Answers for [0, 360]:
0^@; 180^@; 360^@

Somebody N.
Nov 1, 2017

#theta=0^o , 180^o#

Explanation:

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