40/50 is the ratio because the cos formula is adjacent over hypotenuse and you can reduce it to 4/5 as a fraction :)
Cot^2x - cot^2x cos^2x
= cot^2x - {(cot^2x)(cos^2x)}
= cot^2x { 1 - cos^2x }
= cot^2x { sin^2x }
= (cos^2x/sin^2x) { sin^2x }
= cos^2x
Answer:
x= 12
Step-by-step explanation:
Answer:
Yes!
Step-by-step explanation:
4.70 (1/100) = 4.70(.01) = .047
Answer:
12 is the rate
Step-by-step explanation:
