Answer:
88,573
Step-by-step explanation:
Answer:

Step-by-step explanation:





Answer:
30
Step-by-step explanation:
-54/-3 = 18
18+12 = 30
3.95*10^9 move the decimal to the left untill it is in between the last ans 2nd to last number
Step-by-step explanation:
(1 - cos²A) (1 + tan²A) = tan²A
(sin²A)(sec²A) = tan²A
(sin²A)(1/cos²A) = tan²A
(sin²A)/(cos²A) = tan²A
tan²A = tan²A → <u>Proved</u>