Question

If sin^-1 x/5 + cosec^-1 5/4= 90
then a value of x is
​

Answer 1

Step-by-step explanation:

sin^-1 x/5 + cosec^-1 5/4 = 90

1/sin x/5 + 1/cosec 5/4 = 90

cosec x/5 +