Question

Help please??

Select all that apply.

Solve for x, 0degrees <_ x <_ 360degrees

cos 2x + cos^2x = 1

35
145
215
325

Answer 1

<_ means less than or equal to

Answer 2

35

Answer 3

Is that the only one?

Answer 4

35--145__215__325
all

Answer 5

All of them?

Answer 6

yup,all values are approximately equal to 1.

Answer 7

Okay, thank you!