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

Which of the following best describes a major theme of the poem
Find the value of X. Round to the nearest 10th. Diagram is not on the scale
How should medieval doctors have treated the plague?.
With regularly distributed data, what percentage of the data points will fall within one standard deviation from the mean?.
A 40 foot ladder is leaning against a building. The foot of the ladders is 32 feet from the building. Find the angle that the ladder makes with the building
Need asap! Please!
Tell whether the angles are adjacent, vertical, complementary, or supplementary. Then find the value of x
A person pushes a box across a horizontal surface at a constant speed of 0.5 meter per second The box has a mass of 40 kilograms, and the coefficient of sliding
What are the 5 types of social studies?
Which statements describe vectors?