bewellplus.gsu.edu
araymond040401 araymond040401
  • 14-03-2017
  • Mathematics
Answered

Prove the identity. (tanx+1)^2=(1+2sinxcosx)/(cos^2x)

Verified Answer :

LammettHash
LammettHash LammettHash
  • 15-03-2017

\((\tan x+1)^2=\tan^2x+2\tan x+1\)
\(=\sec^2x+2\tan x\)
\(=\dfrac1{\cos^2x}+2\dfrac{\sin x}{\cos x}\)
\(=\dfrac1{\cos^2x}+\dfrac{2\sin x\cos x}{\cos^2x}\)
\(=\dfrac{1+2\sin x\cos x}{\cos^2x}\)

Answer Link

Related Questions

What is the pronoun case of the bolded word That stereo system is MINE nominative objective possessive
the graph below shows the distribution of students grades on their last math test Based on the Empirical rule what percent of students made btwn 80 n 85 on the
What evidence in The Very Short Flight of Icarus supports the idea that Icarus in not an obedient son to Daedalus Use two details from the story to support your
One of the goals of wildlife refuges is to prevent humans from interacting with wildlife true or false
can someone help me and my friend with these types of questions
John sells pizzas for 10 each and earns 2 profit per pizza He pays workers 8 per hour What is the minimum number of pizzas a worker should produce per hour to b
URGENT Which of the following was an unintended result of Henry Clays American System a large amounts of money spent on transportation b high tariffs c further
Sentence with the word articles of confederation
Copyrights and patents encourage A Trade B Imports C inventions D Investments
show me how to divide 2330 by 96