A Use method 1 from the middle of page 180 to divide 8 15 by

Last updated: 6/29/2023

A Use method 1 from the middle of page 180 to divide 8 15 by 4 9 B Use method 2 from the middle of page 180 to divide 8 15 by 4 9 C Use a calculator to divide 8 15 by 4 9 D Let B B in the cosine of a sum identity to derive the cosine of a difference identity E Use ID 4 s pair of IDs to simplify each of the following to a single trig expression E1 cos 90 9 E2 cos 90 8 E3 cos nt 0 E4 cos It 0 F Use ID 4 s pair of IDs to simplify each of the following to a real number F1 cos 82 cos 98 sin 82 sin 98 F2 cos 5n 12 cos n 4 sin 5n 12 sin n 4 G Answers to exercises in E F above sin 0 sin 0 cos 0 cos 0 1 sqrt 3 2