Cosine (0) = 1
Sin(0) = 0
The sine and cosine curves are two intertwining curves, that complement each other, hence the words 'Sine (Curve) and Cosine ( COmplementary Curve).
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The Y-Intercept of the cosine function is X = 0, Y = cosine(0) = 1.
Cos(0) = 1
-1<cosine<1
The cosine of 0.57 degrees is 0.999951. The cosine of 0.57 radians is 0.841901
Oh, dude, it's like asking the difference between a hot dog and a hamburger. So, like, the main difference is just a phase shift of 90 degrees. Sine starts at zero, cos starts at one, but they're basically like two sides of the same math coin.