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
multiply 40 by 30% to find the discount then subtract
40 * 0.30 = 12
40-12 = 28
they would cost $28
Answer:
Supplimentry
Step-by-step explanation:
Its a little complicated, so I cant rlly explain it on here. But yes, 2 questions can have more than one solution. Like how theres a problem in a story, but theres plenty of solutions to solve it.