22-03-2017
Mathematics

contestada

Helpp?
Simplify (secx/cosx) - (tanx/cotx)

Helpp Simplify secxcosx tanxcotx class=

Respuesta :

magdalenelkh magdalenelkh

22-03-2017

secx = 1/cosx
cot x = 1/tanx
1 + tan^2(x) = sec^2(x)
minus tan^2(x) on both sides,
1 = sec^2(x) - tan^2(x)

sec(x)/cos(x) - tan(x)/cot(x)
=1/cos^2(x) - tan^2(x)
= sec^2(x) - tan^2(x)
= 1

Answer Link

Otras preguntas

whatis the differences between laswell model of communication and Aristotle model of communication

What two terms are used for the methods that are used to observe or modify the state of an object, respectively

PLS PLS PLS IM BEGGING YOU, HELP ME, i’ve been trying so hard to solve this for hours and i still dont get it :( pls help me

Peyton needed to get her computer fixed. She took it to the repair store. The technician at the store worked on the computer for 4 hours and charged her $77 for

Iron deficiency is one of the most common nutritional deficiencies in premenopausal women. Iron is a vital part of hemoglobin, which carries oxygen to red blood

12=-4(-6x-3) please help

The perimeter of a rectangle can be found using the formula P = 4 s . True or False

Choose the correct simplification of (9x3y2)2.

A scientific theory is an explanation that A. Has been published in a journal or a book B. predicts what will what C. Has been tested by many observations D. A

identity the value for a, b, and c. 2x^2=-7x-9