Cotangent

If the angle α is acute, and cotg α = 1/3. Determine the value of sin α, cos α, tg α.

Correct result:

sin α =  0.95
cos α =  0.32
tg α =  3

Solution:

cotgα=cosαsinα  sinα=312+32=0.95
cosα=112+32=0.32
tg α=1cotgα=31=3



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