sin (90° –x) = cosx cos (90° –x) = sinx tan (90° –x) = cotxcot (90° –x) = tanx sec (90° –x) = cscxcsc (90° –x) = secx Periodicity Identities,radians Periodicity Identities,degrees sin (x+ 2π) = sinx ...
在JavaScript中,三角函数(如sin、cos、tan等)的计算精度问题通常是由于JavaScript使用IEEE 754标准的64位浮点数表示法导致的。这种表示法在处理非常大或非常小的数字时可能会出现精度损失。 基础概念 JavaScript中的数字是基于IEEE 754标准的64位浮点数,这意味着它们有52位的有效数字精度。对于大多数应用来说,这已经足...
sin(π/6) 1/2 cos(π/6) √3/2 tan(π/6) √3/3 sin(π/4) √2/2 cos(π/4) √2/2 tan(π/4) 1 sin(π/3) √3/2 cos(π/3) 1/2 tan(π/3) √3 最好的學習方式。免費註冊。 註冊代表你接受Quizlet的服務條款和隱私政策 ...
tan(x) = 1 / cot(x)Bonus!AND we also get these co-function identities:Examples:sin(30°) = cos(60°) tan(80°) = cot(10°) sec(40°) = csc(50°)Or, if you prefer, in radians:Examples:sin(0.1π) = cos(0.4π) tan(π/4) = cot(π/4) sec(π/3) = csc(π/6)Double...
330 degrees to radians 11π/6 sin graph Domain: Infinite Range: [-1, 1] Amplitude: 1 Period: 2pi Symettry: Odd cos graph Domain: Infinite Range: [-1, 1] Amplitude: 1 Period: 2pi Symmetry: Even tan graph Domain: pi/2 + k(pi) ...
So we have a trig identity: tan q = sin q/cos q. What makes this a trig identity is that it holds for any angle q; you might want to check this for yourself on a calculator for a few different angles. The other always-useful trig identity is that if you take sin q and ...
A multipurpose trigonometry calculator in degres and radians. ➤ Calculate any trigonometry function like sin, cos, tan, cot, arcsin, arccot, arctan, and arccot easily. Degrees and radians are supported for both input and output. A great tool for trigo
Function: The function to derive (sin, cos, tan, cot, sec, csc) Sign: The "primary" functions are positive, and the "co" (complementary) functions are negative Scale: The hypotenuse (red) used by each function Swap: The other function in each Pythagorean triangle (sin ⇄ cos, tan ...
These functions are to be used as replacements for sin(radians), cos(radians) and tan(radians). Important to know is that they are NOT direct replaceable as the parameter differs a factor (PI/180.0) or its inverse. Similar to cos(x) == sin(x + PI) it is also true that icos(x) ...
sin(x + 90)=cos(x) (in degrees) sin(x + pi/2)=cos(x) (in radians) tan(x)=sin(x)/cos(x) There's little reason to develop approximations for both the sine and cosine, since it is so easy to convert between them. Use these relations, write one approximation function, and save...