. What is the value of sin 21 degree
Best Answer
The value of sin 21 degree is 0.358
Now, using conversion of degree into radian
θ in radians = θ in degrees × (π/180°)
21 degrees = 21° × (π/180°) rad = 7π/60 or 0.3665
sin 21° = sin (0.3665) = 0.3583679.
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