Question

i need two answers for cosθ + √3 = 0 if 0≤θ<300

Answer 1

No calculators?

Answer 2

calculators allowed

Answer 3

then subtract \(\sqrt{3}\) from both sides to get
\(cos \theta=-\sqrt{3} \)
use calculator to find theta.

Answer 4

i did, but it says Math Error

Answer 5

then please verify the question:
it must be 2cos theta + root 3

Answer 6

correct