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esmegaldama
esmegaldama esmegaldama
  • 28-11-2015
  • Mathematics
Answered

Can someone explain to my why sin(90)=1

Verified Answer :

evancohen97 evancohen97
  • 28-11-2015

On the unit circle: the end of the terminal side of a 90 degree angle is (1,0) where 1 is the value of sin(90°) and 0 is the value of cos(90°)

On the graph of sine: 90° = \(\frac{ \pi }{2}\) radians. if f(x) = sin(x) in radians, f(\(\frac{ \pi }{2}\)) = 1/2

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