cd2nick cd2nick
  • 22-06-2017
  • Mathematics
contestada

find cos(2theta) if cos(theta)= 3/4

Respuesta :

IrisSky IrisSky
  • 30-06-2017
sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta) sin(2theta) would it be 2 x (8/17) cos(2theta) would be 2 x (15/17) tan(2theta) would be 2 x (8/17 divided by 15/17) is this correct?
Answer Link

Otras preguntas

Determine the solution to the system of equations by using substitution. Y=4x+10 Y=-5x-10
What are some facts about an acient China invention called viska
the function of the cilia in the nose is to
Why will a decrease in pH of the stomach affect protein digestion? Decrease in pH of the stomach will distort the structure of peptides in food, which affects t
y=63x^6+275 x=30 solve for y
12.5% of what number is 24? Please help and show work
A car traveling in a straight line has a velocity of 5.0 m/s. After an acceleration of 0.75 m/s/s, the cars velocity is 8.0. In what time interval did the accel
A biologists discovers a new unicellular organism and isolates various components making up the organism. One component contains phosphate, uracil, adenine, rib
during the day, when the sun is shining, the ground gets warm mainly as a result of 1. the emission of greenhouse gasses from factories and vehicles 2.heat from
What are some facts about an acient China invention called viska