winfrey32 winfrey32

22-11-2020
Mathematics

contestada

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

Respuesta :

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 is globalization changing our world today?

What are 5 techniques business use to influence you

5. An airplane 30,000 feet above the ground begins to descend at a rate of 2,000 feet per minute. Choose an equation to model this situation. A y = 30,000 – 2,0

Col A bag contains 6 red balls, 4 green balls, and 3 blue balls. TATUS SA If we choose a ball, then another ball without putting the first one back in the bag,

Please help...............!! I

What are the three common types of lung cancer

Draw Conclusion Some critics believe that Scene 5 was not part of the original text but was added to the play later. What is the purpose of Scene 5?

Which statement correctly describes the nucleus of the atom? The nucleus of the atom contains the electrons The nucleus of the atom is mostly empty space. The

I cant solve this answer

x= [-b±√(b²-4ac)] / 2a. find the solve if you don't know test yourself