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mathsmindBest ResponseYou've already chosen the best response.0
have you studied Pythagoras theorem
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
ok you want to solve this using sin and cos
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
you should have done it right?
 one year ago

itsmeeQUENNIEBest ResponseYou've already chosen the best response.0
@dedderick the formula for pythagoran theorem is dw:1360070556954:dw
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
you can use the sin rule or the cos rule
 one year ago

dedderickBest ResponseYou've already chosen the best response.0
how which side to square
 one year ago

dedderickBest ResponseYou've already chosen the best response.0
i meant what side do we square
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
i will give you the answer and then prove it for you
 one year ago

dedderickBest ResponseYou've already chosen the best response.0
then i can understand it better
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
if x =3 in your case then y=\[3\sqrt{2}\]
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
now you should know that \[\sin 45 = \cos 45=\frac{ 1 }{ \sqrt{2} }\]
 one year ago

NataliecowellBest ResponseYou've already chosen the best response.0
In any right triangle, you can use the Pythagorean Therom to solve for sides. In that triangle, x is 2 of the sides and equals 3. Pyhtagreons Therom is a^2+b^2=c^2 A and b are the x's in the diagram. So 3^2 + 3^2 is equal to 18= c^2 Then find the square root of 18 to solve.
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
do you agree with that rule
 one year ago

dedderickBest ResponseYou've already chosen the best response.0
yes i understand now
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
the guy says he hasn't done Pythagoras theorem
 one year ago

mathsmindBest ResponseYou've already chosen the best response.0
so we had to go to a different ulternative
 one year ago
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