Answer:
yes
Step-by-step explanation:
(1 - cos²A) (1 + tan²A) = tan²A
(sin²A)(sec²A) = tan²A
(sin²A)(1/cos²A) = tan²A
(sin²A)/(cos²A) = tan²A
tan²A = tan²A → <u>Proved</u>
111km
the ratio is 1:15 so you do 7.4×15
4x+9y-27=0
compare and fill em
hope it helps
c