ANSWER

EXPLANATION
The given trigonometric equation is

We factor cos(x) to get:

Apply the zero product property to obtain:


Using the unit circle,

when

and

We know

when

The sine function is negative in the third and fourth quadrants.


Hence the solutions are:

Answer:
$8.75
Step-by-step explanation:
35 * .25 = $8.75
Answer:
$4 a week? darn that's a scam
Step-by-step explanation:
It should take her two and a half weeks to get $10.
Answer: Right
Step-by-step explanation: