trevaunparks
trevaunparks trevaunparks
  • 13-03-2020
  • Mathematics
contestada

Verify that (sinx- cos x)2 = 1 - 2 sin x cos x is an identity.

Respuesta :

hkh91
hkh91 hkh91
  • 13-03-2020

Answer:

LHS = RHS

Step-by-step explanation:

[tex] {( \sin(x) - \cos(x) ) }^{2} \\ = { \sin(x) }^{2} + { \cos(x) }^{2} - 2 \sin( x) \cos(x) \\ = 1 - \sin(x )\cos(x) [/tex]

Since,

[tex] { \sin(x) }^{2} + { \cos(x) }^{2} = 1[/tex]

THEREFORE LHS = RHS

Answer Link

Otras preguntas

what is the formula of circle​
Jamie has a rectangular pool that has a length of 12 feet and a perimeter of 40 feet. What is the width of the pool?
Two cultural views that affect relationships negatively
Help me pleaseeeeeeeeee
Really Easy Points!!! - Define potential
Can someone please help me with this? also please show how you got the answers!
How has India improved from impact of imperialism and colonization?
Let f(x)=x^2+2 and g(x)=1-3x. Find each function value: (fg)(-1)
what excuses are good for not going to school for 2 days so i can convince my strict parents
American anti-imperialists generally opposed American imperialism in the Pacific and Caribbean after 1898 for one of two reasons. What were these two reasons?