4 Answered Questions for the topic Trigonometric Equations
Solve cos x = -2/3 for 0 ≤ x < 2π (round to the nearest hundredth of a radian)
I received the values 131.81 and 228.209 which is incorrect. I've tried to come up with the correct answer multiple times. Solve cos x = -2/3 for 0 ≤ x < 2π (round to the nearest hundredth of a... more
trigonometric equation help
sin^2(x) - 3sin(x) + 2 = 0 within [-4π, 4π]
how do i solve 4sec(x)+8=0
I know i have to isolate the variable, and when i do that i get sec(x)= -2 but i dont know where to go from there.