![real analysis - Prove that, $\cos x\ge1-{2x\over\pi}\ \forall x\in[0,{\pi\over2}]$ - Mathematics Stack Exchange real analysis - Prove that, $\cos x\ge1-{2x\over\pi}\ \forall x\in[0,{\pi\over2}]$ - Mathematics Stack Exchange](https://i.stack.imgur.com/wunIp.png)
real analysis - Prove that, $\cos x\ge1-{2x\over\pi}\ \forall x\in[0,{\pi\over2}]$ - Mathematics Stack Exchange
![Find the area of the region between the functions y = cos x and y = 1 - cos x on the interval 0 leq x leq pi. | Homework.Study.com Find the area of the region between the functions y = cos x and y = 1 - cos x on the interval 0 leq x leq pi. | Homework.Study.com](https://homework.study.com/cimages/multimages/16/vtgevt580425805646791764.png)
Find the area of the region between the functions y = cos x and y = 1 - cos x on the interval 0 leq x leq pi. | Homework.Study.com
![Sketch the region enclosed by the curves y = cos x, y = 1 - cos x, 0 less than or equal to x less than or equal to pi; and find Sketch the region enclosed by the curves y = cos x, y = 1 - cos x, 0 less than or equal to x less than or equal to pi; and find](https://homework.study.com/cimages/multimages/16/twocurves7430741088337316625.png)
Sketch the region enclosed by the curves y = cos x, y = 1 - cos x, 0 less than or equal to x less than or equal to pi; and find
![Use a graphing utility to graph the functions y_1 = cos x + sin x tan x and y_2 = sec x. Make a conjecture about y_1 and y_2. Verify the result Use a graphing utility to graph the functions y_1 = cos x + sin x tan x and y_2 = sec x. Make a conjecture about y_1 and y_2. Verify the result](https://homework.study.com/cimages/multimages/16/graph_of_y12043641201416657149.jpg)