Cosec y = cosec z cosec x + cot z cot x proved
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Step-by-step explanation:
Some point to keep in mind
cosec=1/sin
cot=cos/sin
convert all the value in the form of sin and cos
so....
L.H.S
cosecz cosecx + cotz cotx
=1/sinz.1/sin x + cos z/sin x. cosx/sin x
=1/sinz.sinx + cosz.cosx/sinz.sinx
= 1+cosx.cosz/sinz.sin x
= cosec y
LHS=RHS
hence proved
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