winfrey32 winfrey32
  • 22-11-2020
  • Mathematics
contestada

Prove that sin(3x)/sin(x)·cos(x) = 4cos(x)-sec(x)

Respuesta :

gufeliz1965
gufeliz1965 gufeliz1965
  • 22-11-2020

Here is a huge hint:

sin(3x) = 3 sin (x) - 4(sin x)^3

sec (x) = 1/sin(x)

Take it from here.

Answer Link

Otras preguntas

how can you tell the difference between a supplementary angle and a complementary angle in a line drawing
a car gets 25mpg. how many miles per liter is this?
Solve the equation. 8 to the 5x = 16 to the 3x+ 4
Why was the Declaration of Independence written?
define the action as adhering to the social contract of American citizens?
write an essay on whether learning always has a positive effect in a person's life. i just want two reasons, anyone could help?
Why was the Declaration of Independence written?
To make 2 batches of nut bars,jayda needs to use 4 eggs.how many eggs are used in each batch of nut bars
it costs 5.50 per hour to rent a pair of ice skates for up to two hours. after 2 hours, the rental cost per hour decreases to 2.50. how much does it cost to ren
Which of the following historic Indian cultures did Hernando De Soto come in contact with during his expedition? (Choose all that apply.) A. Caddo B. Quapaw C.