Both sides aren't equal because 1-sin^2x = cos^2x and cos^2x / 1+cosx can never equal cosx
If we assume the number of polo shirts have been sold is x, the number of casual shirts have been sold will be 4x.
x*18+4x*9=$1080
(18+36)x=$1080
54x=$1080
x=20
The number of casual shirts have been sold is 4*20=80
The answer is m∠R = 48.59
°
I agree with the answer above
Answer:
the current converson rate for euros to dollars is $1 (USD) = 0.91 Euros
so 55 euros would equal about 60.60 USD...
in other words, that better be one nice shirt
Step-by-step explanation: