Big ifs, question writers. These are of course approximations.
The "co" in cosine comes from complementary angles. It means since


Answer: cos 48° = 2/3
Similarly,


Answer: tan 69.5° = 8/3
Powers of ten! is the answer
The slope of line D is also -4 because the lines are perpendicular.
Answer:
c
Step-by-step explanation: