Math, asked by mauryajahnvi51, 4 months ago

cos 90° = ????????.....

Answers

Answered by sh123prajapat

Answer:

Cos 90° = 0

When we consider the one complete revolution from the point p, it again comes back to the same point. For a triangle, ABC having the sides a, b, and c opposite the angles A, B, and C respectively, the cosine law is defined. For an angle C, the law of cosine is stated as. c2 = a2 + b2– 2ab cos(C)

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