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If cos-1( x2 – y2/ x2 + y2) = tan-1 a , prove that dy/dx = y/x
CBSE Class 12
x2y2
Dhanalakshmi
July 1, 2019, 8:56am
#1
If cos
^{-1}
( x
^{2}
– y
^{2}
/ x
^{2}
+ y
^{2}
) = tan
^{-1}
a , prove that dy/dx = y/x
Dhanalakshmi
July 1, 2019, 8:57am
#2