A) 5pi/6
B) 7pi/12
C) 5pi/12
D) pi/12
If sinx=1/2 and x is between pi/2 and 3pi/2 what is the value of x/2?
2016-03-26 1:40 am
回答 (5)
2016-03-26 1:42 am
sin x = 1/2
x = π/6, 5π/6
which is in your range ??
x = π/6, 5π/6
which is in your range ??
2016-03-26 1:41 am
thus x = 5π / 6
2016-03-26 1:44 am
x = 5π / 6 --->x/2 = ...
2016-03-26 1:43 am
sinx = 1/2
x = 5π/6
x/2 = 5π/12
2016-03-26 1:42 am
666
收錄日期: 2021-04-21 17:39:26
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