Cosine

Calculate the cosine of the smallest internal angle in a right-angled triangle with cathetus 3 and 8 and with the hypotenuse 8.544.

Result

cos θ =  0.94

Solution:

cos⁡θ=max⁡(3,8)/8.544 cos⁡θ=8/8.544=0.94\cos \theta = \max(3, 8)/8.544 \ \\ \cos \theta = 8/ 8.544 = 0.94

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