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en.wikipedia.org/wiki/Sine

In mathematics, the sine is a trigonometric function of an angle.The sine of an acute angle is defined in the context of a right triangle: for the specified angle, it is the ratio of the length of the side that is opposite that angle to the length of the longest side of the triangle (the hypotenuse).. More generally, the definition of sine (and other trigonometric functions) can be extended to ...

en.wikipedia.org/wiki/Trigonometric_functions

The coordinate values of these points give all the existing values of the trigonometric functions for arbitrary real values of θ in the following manner. The trigonometric functions cos and sin are defined, respectively, as the x- and y-coordinate values of point A, i.e.,

math.la.asu.edu/~surgent/mat170/Exact_Trig_Values.pdf

Exact Values of the Sine and Cosine Functions in Increments of 3 degrees The sine and cosine values for all angle measurements in multiples of 3 degrees can be represented in terms of square-root radicals, and the four common operations of arithmetic. These values can be determined geometrically using three useful right triangles.

andromeda.rutgers.edu/~loftin/precalcfal05/values.pdf

How To Remember Special Values of Sine and Cosine The following is a special table for remembering the special exact values of the sine and cosine functions in Quadrant I. The key to the following table is just knowing a few simple patterns. The rst is to know the important angles in

www.maths.surrey.ac.uk/hosted-sites/R.Knott/Fibonacci/simpleTrig.html

Exact Trigonometric Function Values What angles have an exact expression for their sines, cosines and tangents? You might know that cos(60°)=1/2 and sin(60°)=√3/2 as well as tan(45°)=1, but are 30, 45 and 60 the only angles up to 90° with a formula for their trig values?

www.mathsisfun.com/sine-cosine-tangent

Sine, Cosine and Tangent. Sine, Cosine and Tangent (often shortened to sin, cos and tan) are each a ratio of sides of a right angled triangle:. For a given angle θ each ratio stays the same no matter how big or small the triangle is. To calculate them: Divide the length of one side by another side

www.quora.com/What-is-the-value-of-sin-60

Values of Trigonometric ratios for 0, 30,45, 60 and 90 degrees. Just memorize the values for sin 0∘, sin 30∘, sin 45∘, sin 60∘ and sin 90∘ ( values increasing from 0 to 1) .Also maximum value of sine function is 1 and min is 0.

brainly.com/question/1593398

We have to find the value of sin x° and choose the correct option. Lets first name the given triangle as ΔABC, as shown in figure below. We know the value of trigonometric ratio sine is , Here, and for x to be angle, perpendicular is AB and hypotenuse is AC. Substitute the values, we get, Thus, option (c) is correct.

www.homeschoolmath.net/teaching/sine_calculator.php

How does the calculator find values of sine (or cosine or tangent)? Here's a question I once received from a reader: Exactly what happens when I type the sine (or cos or tan etc for that matter) of an angle into my calculator? I type it in and it magically gives me an answer, a number that is essentially unrelated to the angle I inputed.

www.easycalculation.com/trigonometry/trigonometry-tables.php

Trignometry Table of sin, cos, tan, cosec, sec, cot is useful to learn the common angles of trigonometrical ratios are 0°, 30°, 45°, 60°, 90°, 180°, 270° and 360°. The values of trigonometrical ratios of standard angles are very important to solve the trigonometrical problems.