# Sin cos tan

In triangle ABC, right-angled at B.
Sides/AB/=7cm, /BC/=5cm, /AC/=8.6cm.
Find to two decimal places.
A. Sine C
B. Cosine C
C. Tangent C.

S =  0.814
K =  0.5814
T =  1.4

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Most natural application of trigonometry and trigonometric functions is a calculation of the triangles. Common and less common calculations of different types of triangles offers our triangle calculator. Word trigonometry comes from Greek and literally means triangle calculation.

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