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The Sine ratio is
Sine(angle) = opposite side / hypotenuse side.
This is written in 'short-hand' as
Sin(angle) = o / h
Similarly the cosine ratio is
Cosine(angle) = adjacent side / hypotenuse side.
Cos(angle) = a/h
Similarly the tangent ratio is
Tangent(angle) = opposite side /adjacent side.
Tan(angle) = o/a
NB THe sides refer to the sides of a right-angled triangle.
NNB The angle referred to is NOT the right angle, but a selected angle from the other two angles.
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The trigonometric ratio that compares the opposite side going to the hypotenuse is a SINE b TANGENT c Cosine?
a) sine
What is the ratios function of sin?
The sine of an angle in a right triangle is the ratio of the length of the side opposite the angle to the length of the hypotenuse.In terms of ratios, the sine of an angle is defined, in a right angled triangle, as the ratio of lengths of the opposite side to the hypotenuse.
What is a tangent ratio?
The tangent is the ratio of sine over cosine; also, in a unit circle, Y over X.
How do you find to sine of an angle?
To find the sine ratio of a right-angled triangle divide the opposite by the hypotenuse. For example: 4/5 = 0.8 units and sine-1(0.8) = 53.13010235 degrees.
What are trig ratios?
Trig ratios or to give them their proper name are trigonometrical rations applicable to right angle triangles and they are tangent ratio, sine ratio and cosine ratio.
