Mathemetics and Statistics explained - examples - solutions

Menu

About this site
Topics Mathematics
Topics Statistics

Assignments

Solution assignment 01 Unit circle and simple formulas
Solution assignment 02 Unit circle and simple formulas
Solution assignment 03 Unit circle and simple formulas
Solution assignment 04 Unit circle and simple formulas
Solution assignment 05 Unit circle and simple formulas
Solution assignment 06 Unit circle and simple formulas
Solution assignment 07 Unit circle and simple formulas
Solution assignment 08 Unit circle and simple formulas
Solution assignment 09 Unit circle and simple formulas
Solution assignment 10 Unit circle and simple formulas

Browse: Home / Unit circle and simple formulas / Assignments / Solution assignment 09 Unit circle and simple formulas

Solution assignment 09 Unit circle and simple formulas

Return to Assignments Unit circle and simple formulas

Assignment 9

Show:

$1+\tan^2(x)=\displaystyle\frac{1}{\cos^2(x)}$

Solution

For the left-hand side we can write:

$1+\tan^2(x)=1+\displaystyle\frac{\sin^2(x)}{\cos^2(x)}=\displaystyle\frac{\cos^2(x)+\sin^2(x)}{\cos^2(x)}=\displaystyle\frac{1}{\cos^2(x)}$

Return to Assignments Unit circle and simple formulas

Zoeken

Contact

For remarks and reporting errors: hdeswaanarons@gmail.com
Mobile: +31614232507

Tutor Math, Statistics or GMAT?

Ask a PhD Mathematician as a tutor!
For more information: PiNuts.nl

Language preference

Nederlands
English

Copyright © 2024 4mules

Webdesign door www.lindavanzomeren.nl

About this site
Topics Mathematics
Topics Statistics

0

Web Design Bangladesh Web Design Bangladesh Mymensingh