Which of the following statements is true?
a. sin 18° = cos 72°
b. sin 55° = cos 55°
c. sin 72° = cos 189
d. Both a and c.

I'll give brainliest if you answer right : )

Asap will give brainiest to first person to answer what is the measure of angle b in the triangle? enter your answer in the box.m∠b=

According to the general equation for conditional probability, if p(ab) = 4/5 and p(b)= 5/6, what is p(a|b)? a. 8/9 b. 35/36 c. 24/25 d. 15/16