Tangent of an angle

If the tangent of an angle of a right angled triangle is 0.8. Then its longest side is. .. .

Correct result:

c =  1.2806 b

Solution:

tanA=0.8 tanA=a/b a/b=0.8  a=0.8 b  c=a2+b2=b0.82+12 c=0.82+12=1.2806 b



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Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.

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