Solving Trig Basic Trig Equations

Front

Solve on the domain [0,2π)
cos x + 1 = 0

Back

π

Front

Solve on the domain [0, 2π)
4sin²x = 3

Back

π/3, 2π/3, 4π/3, 5π/3

Front

Solve on the domain [0, 2π)
cos x + 2 = 3 cos x

Back

0

Front

Solve on the domain [0,2π)
cos x + 1 = 0

Back

π

Front

One solution of tan x = -1 is 135⁰, which of these is another solution? Options: 315⁰, 135⁰, 225⁰, 330⁰

Back

315⁰

Front

To find the general solution to a trig equation, you should add what to the solutions for sine and cosine equations?

Back

Front

Why doesn't 2cosx − 3 = 0 have solutions?

Back

cos x is never bigger than one

Front

Which is a correct way to solve the equation cosx(2cosx − 3) = 0?

Back

set each factor equal to 0 and solve

Front

Why doesn't 2cosx − 3 = 0 have solutions?

Back

cos x is never bigger than one

Front

Choose a good way to start solving this equation: tanx sin²x = 2 tanx

Back

subtract 2 tanx from the left and then factor tanx out