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

Which English biologist developed the theory of "natural selection"?A. Sir Edwin ChadwickB. Charles DickensC. Charles Darwin D. Karl Max
Animal tissues develop from embryonic germ layers. triploblastic animals have three germ layers (ectoderm, mesoderm, and endoderm) and three basic body plans re
Which situations would require a leader to initiate a discussion in a group discussion??
3 miles = how many feet
according to the maps, which region has greater variety in elevation - Greece or Rome? How do you know this?
Which of these is an important conclusion Henry David Thoreau draws at the end of "Resistance to Civil Government"? A. That the government does an adequate job
Which of the following European countries is mostly covered in ice
What did the colonies of Connecticut, Rhode Island, and New Hampshire all have in common
Most candidates for general elections in texas get on the ballot __________.
Which object has the same y-intercept as a function y=2/3x-3? 1. x+4y=12 2. -2/3x+3y=6 3. 2/3x+3y=-3 4. 6x-7y=21