Step-by-step explanation:
y = .10d + .25q
y is the total amount, if you have d dimes and q quarters
L.H.S=(1-cosB)(1+cosB)
=(1-cos^2B). {using (a+b) (a-b)=(a^2-b^2)in second step}
=sin^2B
=1/cosec^2B
Therefore,L.H.S=R.H.S proved
over 9000 becuz it is over 9000
Answer:
4
