Question

prove
sin^2x+cos^2x=1

Answer 1

mmmm.....

Answer 2

i thought pythag did that already

Answer 3

help

Answer 4

lol
ask this to mimi x3

Answer 5

yes mimi boosted 3 times will help me if u dont help me amistre

Answer 6

it come from the Pythagor theorem

Answer 7

but how ???????????

Answer 8

x^2 + y^2 = r^2\[\frac{x^2}{r^2}+\frac{y^2}{r^2}=1\]
\[(\frac{x}{r})^2+(\frac{y}{r})^2=1\]
sub in the defs for sin and cos

Answer 9

thnx amistre

Answer 10

youre welcome :)