Find the exact value.
sec(-330) the answer was -1/2. i am slightly confused using the unit circle and how it got to the conclusion as -1/2. if you can explain this you!

where's the diagrams?

$450.00 for 6 weeks

or

$300

step-by-step explanation:

$200.00 for first week $50.00 x5 equals $250 plus $200 equals $450.00 for six weeks.

$200 for first week

$200 x 0.10 = $20

$20 x 5 = $100

$200 + $100 = $300