toleratingexist toleratingexist
  • 20-03-2017
  • Mathematics
contestada

Why would knowing the Pythagorean identity sin2x + cos2x = 1 and the sum identities allow you to prove all the other identities?

Respuesta :

jinhaworld jinhaworld
  • 20-03-2017
If you divided each side by (sinx)(sinx), the result is 1+(cotx)(cotx)=(cscx)(cscx)


If you divide each side by (cosx)(cosx), the resut is 1+(tanx)(tanx)=(secx)(secx)


These are the basic trigonometric identities.
Answer Link
Аноним Аноним
  • 20-03-2017
These are simple trigonometric identities. 
Answer Link

Otras preguntas

What do you think society should do to deal with prostitution?
Two mechanics worked on a car. The first mechanic charged $75 per hour, and the second mechanic charged $55 per hour. The mechanics worked for a combined total
Difference between the following statementsa) I sit in the top of the woodb) I am sitting in the top of the wood(80+ words) good English for 60 points for grab​
Please help me plsssss
Which culture had a strong early influence on kingdoms of Southeast Asia? Khmer Chinese Thai Indian
Write an essay about your favorite holiday spot and the reasons for it.
A=1/2h(B+b); A=21, B=2, b=4 h= ?
please help me thank you​
PLLLLEEEEASSEEE OKAY GUYS I NEED HELP... I need to write a story about the future, I have an idea but don't know how to start the story so I need an attention-g
please help, question is below