Answer: b
Step-by-step explanation:
Sin = opposite/hypotenuse
Cos = adjacent/hypotenuse
Sin A = BC/AB
Cos B = BC/AB
Answer:
A cofunction is whenever A and B are completmentary angles.
Step-by-step explanation:
Answer:
the process or method of noting or setting down by means of a special system of signs or symbols. the act of noting, marking, or setting down in writing. a note, jotting, or record; annotation: notations in the margin.
Alternate Interior angles!
2 3 is the answer I’m pretty sure