trigonometry: solve for x: cosx−√3 /4 sin(2x)=0

i got -2/√3 and 2√3 /3.

i don't think i did it right. in advance!

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.