. Find the value of cos 20 degree
Best Answer
The value of cos 20 degree is 0.939
Now, using conversion of degree into radian we get,
θ in radians = θ in degrees × (pi/180°)
20 degrees = 20° × (π/180°) rad = π/9 or 0.3490
cos 20° = cos(0.3490) = 0.939
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