how do you type sec^2 (0) on a calculator? - Mathematics Stack …
2015年3月18日 · If there is no key labeled "sec" then you need some combination involving the "cos" key and the "$1/x$" key if there is one, or you have to divide $1$ by $\cos \theta$ instead …
Finding the roots of $\\sec^2(x)=0$ - Mathematics Stack Exchange
2014年10月30日 · Finding the roots of $\sec^2(x)=0$ Ask Question Asked 10 years, 5 months ago. Modified 10 years, 5 months ago.
integration - Solve $y'' + y = \sec^2 x, 0 < x < \frac{\pi}{2 ...
2016年12月31日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
trigonometry - Solving $\sec^2 (x)-2\sqrt {2} \sec (x)+2=0 ...
2018年12月3日 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
calculus - Is $\int_{0}^{\pi} \sec^2(x)\,dx \neq 0$? - Mathematics ...
2018年5月8日 · I have had a discussion with my classmates recently, and an answer on the 2016 Calculus BC AP test said that: $$\\int_0^\\pi \\sec^2x = \\infty$$ The problem I am having is …
trigonometry - How to solve $\tan^2 \theta − 2 \sec \theta = 2 ...
Solve the given equation. Find all solutions of the equation (express your answer in terms of k, where k is any integer). $$\\tan^2 \\theta − 2 \\sec \\theta = 2$$ What do I do to solve for …
Why is the integral of sec^2 (x) from 0 to pi infinity?
2014年2月20日 · Why is it, if you take the integral of sec^2(x) from 0 to pi, my calculator returns "infinity" as the answer, but according to the second fundamental theorem of calculus, I got 0 …
How do we solve the equation $3\\sec^{2}(x) - 4 = 0$?
2021年1月11日 · The proposed equation is equivalent to \begin{align*} 3\sec^{2}(x) - 4 = 0 & \Longleftrightarrow 4\cos^{2}(x) - 3 = 0\\\\ & \Longleftrightarrow \cos(x) = \pm\frac ...
calculus - A question about $\int_ {0}^ {\pi/2} \ln (\sec^ {2} (x ...
2023年7月9日 · Differentiating under the integral sign gives $$\require{cancel}I'(t) = \int_0^\infty \frac{4 t^3 u^4 + 2 t u^2}{(t^4 u^4 + t^2 u^2 + 1) (u^2 + 1)} du = \frac{\pi (2 t + \sqrt 3)}{t^2 + …
calculus - Determine if the integral $\int^{2}_{0} \frac{\sec^2(x)}{x ...
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …