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Subtract full rotations of 2π 2 π until the angle is greater than or equal to 0 0 and less than 2π 2 π. The exact value of sec(0) sec (0) is 1 1. Free math problem solver answers your algebra, geometry, trigonometry, calculus, and statistics homework questions with step-by-step explanations, just like a math tutor.

\pi \left(\square\right)^{'} \frac{d}{dx} \frac{\partial}{\partial x} \int \int_{\msquare}^{\msquare} \lim \sum \infty \theta (f\:\circ\:g) f(x)

sec² (π/4)＝解：因为secx=1/cosx，则sec (π/4)=1/cos (π/4)=1/ (√2/2)=√2所以sec² (π/4)＝ (√2)^2=2即sec² (π/4)的值为2。 扩展资料：1、特殊角度的三角函数值.

How do I find the value of \displaystyle{\sec{{\left(-\pi\right)}}} ? https://socratic.org/questions/how-do-i-find-the-value-of-sec-pi \displaystyle{\sec{{\left(-\pi\right)}}}=-{1} Explanation: Using a unit circle in standard position, the angle \displaystyle{\left(-\pi\right)} is …

What is the value of sec^2 (pi/5) ?

Use the Pythagorean identity: sec2 (x) = tan2 (x)+1 = tan2(2π)+1. What is the value of sec^2 (pi/2) ?

Aug 12, 2015 · How do you show that #(costheta)(sectheta) = 1# if #theta=pi/4#? See all questions in Trigonometric Functions of Any Angle Impact of this question

Rewrite sec(π 2) sec (π 2) in terms of sines and cosines. ⎛ ⎜⎝ 1 cos(π 2) ⎞ ⎟⎠2 (1 cos (π 2)) 2. The exact value of cos(π 2) cos (π 2) is 0 0. (1 0)2 (1 0) 2. The expression contains a division by 0 0. The expression is undefined.

扩展资料 sec表示三角函数中的正割，直角三角形斜边与某个锐角的邻边的比,叫做该锐角的正割，用 sec（角）表示 。 正割与余弦互为倒数，余割与正弦互为倒数。 可以表示为：secθ=1/cosθ。 “80后”的飓风吹过，“90后”的狂风正在登陆。 这是一个青春的舞台，是一个热力四射的舞台，这也是属于我们——“90后”的舞台。 也许90后在大多数的眼中，早已被扣上了“非主流”、“脑残”、“灭星文”的代名词。 可是。 又有谁真正的懂我们，与我们同行呢?他们只看到了表面洋溢着青春、 …