Question

what is standard angle of sin90 degree​

Answer 1

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If θ be an acute angle, the values of sin θ and cos θ lies between 0 and 1 (both inclusive). sin 60° = √3/4 = √3/2; cos 90° = √(4/4) = 1. cos 90° = √(0/4) = 0......

Answer 2

Answer:

right angle

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