In the illustration below, cos(α) = b/c and cos(β) = a/c. Thus, cos 0° value = 1. It means that cos x vanishes when x is an odd. Web cos x = 0, when x = ±π/2, ±3π/2, ±5π/2,. Since the cosine function is a periodic function, we can represent cos 0°. Web it is the complement to the sine.
It means that cos x vanishes when x is an odd. Web it is the complement to the sine. It means that cos x vanishes when x is an odd. Thus, cos 0° value = 1. Since the cosine function is a periodic function, we can represent cos 0°. Web cos x = 0, when x = ±π/2, ±3π/2, ±5π/2,. In the illustration below, cos(α) = b/c and cos(β) = a/c.
