Right Angled Triangle: calculate sine cosine tan and other angle
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Radians, Sine, Cosine, Tan, Other Angle Calculator
enter value for angle A (maximum of 90
^{0}
) >>
equivalent in RADIANS =
SINE of angle =
COSINE of angle =
TAN of angle =
OTHER angle (B) =
Rightangled triangles have one internal angle of 90
^{0}
(a right angle) shown as a red block in diagram. In a triangle, all of the internal angles add up to 180
^{0}
. The side opposite angle A is called the
opposite side
, the horizontal side is called the
adjacent side
and the longest side (corresponding to the radius in the diagram at upper right) is called the
hypotenuse
. In this calculator you can get the values of the
sine
of angle A (opposite divided by hypotenuse), the
cosine
(adjacent divided by hypotenuse) and the
tan
or
tangent
(opposite divided by adjacent). The relationship between circles, sines, cosines and tangents can be seen in our
sine wave & cosine animation
and in our
tangent graph animation
.
Russell Kightley Media
PO Box 9150, Deakin, ACT 2600, Australia. Mobile phone Australia 0405 17 64 71
email RKM