. Find the value of cos 570 degree
Best Answer
The value of cos 570 degree is -0.866.
Now, using conversion of degree into radian we get
θ in radians = θ in degrees × (pi/180°)
570 degrees = 570° × (π/180°) rad = 19π/6 or 9.9483
cos 570° = cos(9.9483) = -√(3)/2 or -0.866
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