lenacodiened lenacodiened
  • 01-05-2017
  • Mathematics
contestada

Which expression is equivalent to (1 – sin2 x)(sec x)?

Respuesta :

Ellsonic
Ellsonic Ellsonic
  • 01-05-2017
sin(2x) = 2sin(x)cos(x) so 

sec(x)sin(2x) = 2sec(x)sin(x)cos(x) = 2sin(x) 

because sec(x)cos(x) = 1. 

Answer Link

Otras preguntas

factoring 12m^2n^2-8mn+1=
How many eights are there in 6 1/2
A storage tank shaped Like a rectangular prism is being manufactured to hold 100,000 cubic feet of natural gas. It has a length of 10 feet and a width of 25 fee
Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW
2(n-3)=4n+1 this sucks not knowing the answer
2(n-3)=4n+1 this sucks not knowing the answer
Which statement is NOT true?A.  If two coplanar lines do not intersect, then the lines are parallel.B. Two lines lie in one plane and do not intersect if and on
Consider the following system of equations. y = 2x - 2 y - 2x = 5 What can you conclude about the system of equations? The system of equations is inconsistent.
among the qualities listed on the human relations scale, the most important one for the building new relationship is?
Why do Andhra Pradesh donot recive any snow fall during during winter months. PLEASE HELP.....EXAM TOMORROW