Table of Contents
What are the trigonometric functions of special angles?
Sine function is the ratio of the opposite side to the hypotenuse. Cosine function is the ratio of the adjacent side to the hypotenuse. Tangent function is the ratio of the opposite side to the adjacent side. Cosecant function is the ratio of the hypotenuse to the opposite side.
How many special angles are there in trigonometry?
The sixteen special angles (measured in radians) on the unit circle, each labeled at the terminal point. These angles are commonly given as an argument of a trigonometric function such as the sine or cosine functions.
What are the six trigonometric ratios?
There are six functions of an angle commonly used in trigonometry. Their names and abbreviations are sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and cosecant (csc).
What are the 6 trigonometric identities?
There are six trigonometric identities that are sine, cosine, tangent, secant, cosecant, and cotangent.
What are six trigonometric ratios?
What are special triangles in trigonometry?
THERE ARE TWO special triangles in trigonometry. One is the 30°-60°-90° triangle. The other is the isosceles right triangle. They are special because, with simple geometry, we can know the ratios of their sides.
How do you find the Tan of a triangle?
For a standard right-angled triangle, the tan of an angle (θ) tells you: Tan (θ) = opposite / adjacent. With opposite and adjacent standing in for the lengths of those respective sides. Convert tangents to degrees using the formula: Angle in degrees = arctan (tan (θ))
What is basic trigonometry?
Basic Trigonometry involves the ratios of the sides of right triangles. The three ratios are called tangent, sine and cosine. It can then be extended to other ratios and Trigonometry in the Cartesian Plane.
What is the equation for trigonometry?
The general form for a trig function. The general form for the equation of a trigonometry function is y = Af [B (x + C)] + D, where. f represents the trig function. A represents the amplitude, or steepness.
What is a trig function?
trigonometric function. n. A function of an angle expressed as the ratio of two of the sides of a right triangle that contains that angle; the sine, cosine, tangent, cotangent, secant, or cosecant.