Special Trig Values Math
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Special trig values math. Trig values of special angles. Keep in mind that the square root of 1 is just 1 so for instance cos 6 0 1 2 1 2. The neat pattern of 1 2 3 across the top row and 3 2 1 across the middle row are meant to help you memorize the table values. In this post we are going to apply our knowledge of the unit circle and trigonometric functions to graph y sin x y cos x and y tan x.
These two angles form a 30 60 90 right triangle as shown. Trig values of special angles. If you have any questions don t hesitate to comment or check out the video below. Special angles trig functions degrees radians sine cosine tangent cosecant secant cotangent.
Trigonometric values of special angles. Hi everyone and welcome to mathsux. Values for the trigonometric functions are calculated using the following ratios. Graphs of sin x cos x and tan x.
Sin opposite hypotenuse opp hyp cos adjacent hypotenuse adj hyp tan opposite adjacent opp adj csc hypotenuse opposite hyp opp sec hypotenuse adjacent hyp adj cot adjacent opposite adj opp. Let us first consider 30 and 60. Sin 4 5 2 2. Certain angles have trig values that may be computed exactly.
Math algebra 2 trigonometry trigonometric values of special angles. Of these the angles listed below are some of the angles most commonly used in math classes. Sin 45 circ frac sqrt 2 2 sin 45 22. The ratio of the sides of the triangle is 1 3 2.
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