Asked by Jenifer
if cosx = 12/13 and x is a quadrant I angle. Find the value of sinx
Answers
Answered by
Reiny
make a sketch of the triangle
since cos x = 12/13, the adjacent is 12, the hypotenuse is 13 and by Pythagoras, the opposite side is 5
( 5^2 + 12^2 = 13^2 )
sin x = 5/13
since cos x = 12/13, the adjacent is 12, the hypotenuse is 13 and by Pythagoras, the opposite side is 5
( 5^2 + 12^2 = 13^2 )
sin x = 5/13
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