Question

find curvature and radius of curvature at x=acos^3t​

Answer 1

Answer:

sinhx=

2

e

x

−e

−x

coshx=

2

e

x

+e

−x

sinh

2

x=cosh

2

x−1

sinh

2

x=sec

2

α−1=tan

2

α

⇒sinhx=tanα

cosechx=

sinhx

1

=cotα