Question

if sec theda=7, find cos theda

Answer 1

hint: cos(theta) = 1/sec(theta)

Answer 2

First time I ever saw anyone spell theta with a d

Answer 3

oops i meant theta @Hero

Answer 4

@cali16, what is the relationship between sec theta and cos theta?

Answer 5

they both use the hypothenuse

Answer 6

I was thinking more in terms of the equations that represent both trig functions.

Answer 7

they are opposites

Answer 8

so would it be 1/7

Answer 9

They're INVERSES of each other, not OPPOSITES. But yes, cos theta = 1/7 if sec theta = 7.

Answer 10

okay thanks