Question

traingle ratio taking sides

Answer 1

sin θ=side opposite to θ/hypotenuse
cos θ=side adjacent to θ/hypotenuse
tan θ=sin θ/cos θ=side opposite to θ/side adjacent to θ
cot θ=1/tan θ=side adjacent to θ/side opposite to θ
sec θ=1/cos θ=hypotenuse/side adjacent to θ
cosec θ=1/sin θ=hypotenuse/side opposite to θ

Answer 2

base                perpendicular           hypotenuse
--------       =     -------------------   =        ---------------
base                perpendicular             hypotenuse

of two similar triangle...