![]() Sine: The sine ratio for any given angle is defined as the ratio of the perpendicular to the hypotenuse. These six trigonometric ratios can be defined as, ![]() Also, only the base and perpendicular will interchange for the given right triangle in that case. We can alternatively find the values of these trig ratios for angle A. This implies that the value of the ratio of any two sides of the triangle here depends on angle C. The values of these trigonometric ratios can be calculated using the measure of an acute angle, θ in the right-angled triangle given below. Trigonometric ratios can be used to determine the ratios of any two sides out of a total of three sides of a right-angled triangle in terms of the respective angles. Let us have a look at the right-angled triangle shown below. These ratios are written as sin, cos, tan, sec, cosec(or csc), and cot in short. In trigonometry, there are six trigonometric ratios, namely, sine, cosine, tangent, secant, cosecant, and cotangent. ![]()
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