Tan x =sin x/cos x. therefore, tan(90-a) =
a) 1/tan(90-a)
b) 1/sin a
c) 1/cos(90-a)
d) 1/tana

What two consecutive odd integers have a sum of -28

Which of the following is the equation that says that the product of a number and ten is equal to 20 percent of that number ? a) 10n= 2.0n b) 10+n=.20n c) n+ .20n=10 d) 10n=0.20n

Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?