It would be 60cm because 40 plus 20 equals 60
Answer:what is the least common denominator of the fractions 2/3 and 3/5? HELP PLEASE
Step-by-step explanation:
It’s the mean!
good luck!!
Cosa/1+sina + 1+sina/cosa = (cos^2a+1+2sina+sin^2a)/(cosa)((1+sina)
=( 1+1+2sina)/(cosa) (1+sina)
=2(1+sina)/ (cosa) (1+sina)
=2/cosa
=2sec a (verified)