# MathematicsWatch

#1
Can someone please explain why sin(180-theta)= sin(theta).
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9 months ago
#2
if you look at the sine curve you will find a vertical mirror line halfway between 0° and 180°
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9 months ago
#3
(Original post by HiggsBoson)
Can someone please explain why sin(180-theta)= sin(theta).
The two points are in phase.
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9 months ago
#4
(Original post by HiggsBoson)
Can someone please explain why sin(180-theta)= sin(theta).
You can draw a unit circle
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9 months ago
#5
(Original post by HiggsBoson)
Can someone please explain why sin(180-theta)= sin(theta).
cos
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#6
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9 months ago
#7
(Original post by HiggsBoson)
Can someone please explain why sin(180-theta)= sin(theta).
If you draw both the graph of sin(180-x) and sin(x), you will see that the graph is shifted to the same position (since sine repeats every 180 degrees)
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