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

Patrick Henry probably developed his speaking style from attending the _________ Church.
The term semite refers to a large language ethnic grouping that includes which two middle eastern people among its members? a. Jews and Chaldeans b. Persians
Peter earned $180 working at a store during the summer months. He bought 4 books worth $12 each from his earnings at the store. How much money was left after he
Which of the following choices best describes the error in this sentence? The man is a scientist with a keen sense of observation and who dedicates long hours i
-4.3g=25.8 what is the awnser
0.2% of what number is 12
Five times the sum of a number and two is thirty-five. Find the number.
What important event occurred during the exodus of the Hebrews from Egypt?
Name a point that is (radical 2) away from (-1,5).
Which of the following choices best describes the error in this sentence? The man is a scientist with a keen sense of observation and who dedicates long hours i