Question

The value pi/4 is a solution for the equation 3√2 cos θ +2=-1. True or False?

Answer 1

try pluggin in

Answer 2

what is cos(pi/4)?

Answer 3

1/√2

Answer 4

\[\text{ what is } 3 \sqrt{2} \cdot \frac{1}{\sqrt{2}}+2 \text{ equal \to?}\]

Answer 5

what happen to the sqrt(2)'s?

Answer 6

happens*

Answer 7

@freckles it equals to 5

Answer 8

yes! :)

Answer 9

so that isnt -1

Answer 10

which means pi/4 doesn't make the equation true
so it isn't a solution