Question

How many general solutions does 4cos^2x-3=0 have?

Answer 1

4, right? once you take the square root of cos, you get +/- sqrt3/2

Answer 2

@Nnesha

Answer 3

@alyssa_xo

Answer 4

I think you meant to ask: "how many particular solutions does the equation have"

right?

Answer 5

well by general you always have +2npi or +npi

Answer 6

rather then the exact solution

Answer 7

what general solutions do you get

Answer 8

pi/6+2npi
5pi/6+2npi
7pi/6+2npi
11pi/6+2npi

Answer 9

same goes with 3tan^2x-9=0, another 4 solutions?

Answer 10

i don't know which ones to choose if cos is both positive and negative

Answer 11

nvm, I misread

anyways, it looks like you got all 4 solutions since I'm getting the same thing

Answer 12

same goes with 3tan^2x-9=0? 4 solutions?

Answer 13

which 4?

Answer 14

well i didn't solve it yet, i know how to, i just want to make sure there is suppose to be 4

Answer 15

yeah it looks like there are 4 based on the graph I'm getting

Answer 16

thank you..

Answer 17

np