Question

Robin claims that tan 45º is equivalent to cos 90°. Bradford very adamantly disagrees with Robin, and declares that tan 45ºis equivalent to cos 0° Who is correct? Justify your answer.

ALGEBRA
LLATION
AlgebraNation.com

Answer 1

Bradford

Explanation:

Any calculator or table of trig function values will tell you ...

tan(45°) = 1

cos(0°) = 1 . . . . . Bradford is correct

cos(90°) = 0 . . . Robin needs to study his/her trig functions more