Respuesta :

aleerabolon21

ANSWER.

the answer is B.

Step-by-step explanation:

Because co in cosine means sine of compliment

Hamed313

Answer:

[tex]if \: two \: angles \: a \: and \: b \: are \: complementery \: \\ \cos(a) = \sin(b) \\ \sin(a) = \cos(b) [/tex]