Question

2sinverse3/5 = tan inverse24/7

​

Answer 1

we need to convert LHS in form tan-1

let first calculate sin1 (3/5)

let

x=sin-1 (3/5)

sin=x= 3/5

cos x=√1-sin2x

=√1-(3/5)2

=√1-9/25

=√25-9/25

=√16/25

=4/5