6 Answered Questions for the topic Trigonometric Equations

Trigonometric Equations Math Trigonometry Math Help

04/29/21

Trigonometric equations
1) Find all solutions to the equation 2 sin x + 1 = 0 in the interval [0, 2π].2) Find all solutions to the equation 3 cos x = 3 in the interval [0, 2π].3) Find all solutions to the equation 3 sin x... more
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Expert Answers •1
Trigonometric Equations Precalculus

03/17/21

cosθ−2sinθcosθ=0
I have to solve the trigonometric equation but I'm kinda confused on how I should begin
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Expert Answers •2
Trigonometric Equations Trigonometry Trigonometric Functions

12/14/19

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
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Trigonometric Equations Math Trigonometry Equations

11/21/19

trigonometric equation help
sin^2(x) - 3sin(x) + 2 = 0 within [-4π, 4π]
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Trigonometric Equations Math Trigonometry

06/07/19

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.
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Expert Answers •3
Trigonometric Equations Trigonometry

10/28/15

Solve the trigonometric equation
6cosxsinx - 3cosx - 4sinx + 2=0 for exact solutions in the interval x is more than or equal to 0 and less than or equal to 360°.    I've got it down to 3cosx-2 = 0 or 2sinx-1=0 but not sure where... more
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