sally282004 sally282004
  • 25-07-2022
  • Mathematics
contestada

sec^2x-2secx.cosx+cos^2x=tan^2x-sin^2x

Prove the identity

Respuesta :

flamingandfaded
flamingandfaded flamingandfaded
  • 25-07-2022

Hello.

sin²x + cos²x = 1

cos²x = 1 - sin²x

secx = 1/cosx

sec²x = tan²x + 1

Ver imagen flamingandfaded
Answer Link

Otras preguntas

SOMEONE HELP ME PLEASE
How was the Rome senate similar to the united states?
She didn't.... Like chocolate. Now she thinks it's absolutely delicious. What can I say in the blank?
Is the function given by f(x)=3x-2 continuous at x=5?
Name the place value to which each number was rounded 16.932 to 20
The following reaction is exothermic. 2 N2O(g) 2 N2(g) O2(g) This means the reaction: 56) A) will be spontaneous only at low temperatures B) is not spontaneo
Discuss the importance of anatommy and physiolog in the health, Physical education and sports.
yeah i suck at math
What are something difficult things about student success class ? I need 100 words
Write an expression for the perimeter of a rectangle if the length is 12x – 4 and the width is 3x+5.