## Sin 390 without calculator

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Question What's the Exact Value for Sin degrees? Without using a calculator Answer by KMST() (Show Source): You can put this solution on YOUR website!, so.. I remember that, but I can also prove it out of a right triangle. Jan 28, · Using the above examples you can calculate the Sin, Cos & Tan of any acute angle in a right triangle without a calculator. In a right triangle, with the 90 degree angle, and one other angle known, the third is thereby fixed, because the three angles of any triangle add up to degrees. Jun 03, · What is the value of #sin ^@#? How do you find the trigonometric functions of values that are greater than #^@#? How do you use the reference angles to find #sincostan #? Find exact values of trigonometric functions without using a calculator. Questions with solutions and answers are presented. If the angle x is negative, we first use a formula for negative angles such as sin (- x) = - sin (x), cos (- x) = cos (x) and so on. Since o . For that matter, you can certainly find $\sin \left (\frac{a}{b} \pi \right)$ without a calculator. $\begingroup$ If there weren't a way to evaluate trig functions without a calculator, then how would anyone be able to program the calculators? $\endgroup$ – Dan Oct 18 '15 at Sep 15, · Draw an isosceles right triangle. let each leg have length 1. the pythagorean theorem shows the hypotenuse has length sqrt(2). the angles are each 45 degrees, and if you take opp/hyp and adj/hyp you see that sine and cosine of 45 degrees are each 1/sqrt(2), which of course is the same asStatus: Open. You are here: Home → Articles → How does a calculator 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? Question Evaluate the function without using a calculator. Sin ° Answer by kev82() (Show Source): You can put this solution on YOUR website! Hi, There are degrees in a circe, right? So going around a circle degrees one way, is the same as going 60 degrees the other way. So sin()=sin().The ratios of are the same as the ratios of 30°. Explanation: sin=sin(30+ )=sin30= cos=cos(30+)=cos30=√ Question What's the Exact Value for Sin degrees? Without using a calculator. Answer by so sin%%5Eo%29=sin%%5Eo% Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a. sin(°+x) = sin(x) sin(°) = sin(°+30°) = sin(30°) =1/2 sin(°) = sin( °+60°) = sin(60°) = √3/2. Sin °: All about sin degrees, incl. the trigonometric identities. Besides the value of sin°, we also have useful information and a calculator. Find exact values of trigonometric functions without using a calculator. we first use a formula for negative angles such as sin (- x) = - sin (x), cos (- x) = cos o, we find a coterminal angle t, greater than zero and less than o, to o. ? sin()=sin(30), etc. Once you know the values for Use the half-angle identity to calculate sin() and cos(). Do a third guess. find the exact value of degrees. can anyone help me figure out how to cot ( degrees) = cot(30 degrees). sin without calculator.

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