Question

what is a cofunction theorem?

Answer 1

Cofunction Identities:

Trig identities showing the relationship between sine and cosine, tangent and cotangent, and secant and cosecant. The value of a trig function of an angle equals the value of the cofunction of the complement of the angle.

Answer 2

Cofunction Theorem sin x =

cos(90° - x)




Cofunction Theorem cos x =

sin(90° - x)




Cofunction Theorem tan x =

cot(90° - x)




Cofunction Theorem sec x =

csc(90° - x)

Answer 3

I hope I helped you! (:

Answer 4

yes thank you :)