In school, we just started learning about trigonometry, and I was wondering: is there a way to find the sine, cosine, tangent, cosecant, secant, and cotangent of a single angle without using a …

12 I understand they mean sine, cosine, tangent, but what exactly is the calculator doing when I enter an angle and press those buttons? Edit: To help others better understand my question, …

Sin 60 ° degree mode because there is a degree symbol Tan (-45 °) degree mode because there is a degree symbol Cos 5π/2 radian mode because there is no degree symbol Sec 3π radian …

Evaluate the $\sin$, $\cos$ and $\tan$ without using calculator? Ask Question Asked 13 years, 6 months ago Modified 13 years, 6 months ago

Jan 11, 2022 · 0 I just recently start to learn cos. I found out when I use different calculators to calculate cos, sometimes may get different results which is quite confusing. For example, cos …

As the other answer says, you simply can't express all values of trigonometric functions as fractions. I am guessing that on your TI-84, if you set the calculator to give you the fractions, …

the question DOES ask me to find the sin, cos, and tan of the angle a. from line 1 and the angle b from Line 2. So, I still haven't found the angle a yet? I thought the angle is found by atan. I …

Dec 16, 2017 · Is it possible to solve the sin/cos/tan of an angle and/or their inverses without a calculator, using the Taylor expansion, or looking at a unit circle? Recently I've just made …

Jun 16, 2015 · Closed 10 years ago. A calculator is broken so that the only keys that still work are the $\sin$, $\cos$, $\tan$, $\cot$, $\sin^ {-1}$, $\cos^ {-1}$, and $\tan^ {-1}$ buttons. The …

Tangent $\theta$ = opposite/adjacent In order to calculate the sine or the cosine or the tangent I need to know $3$ sides of a right triangle. $2$ for each corresponding trigonometric function. …