Question

sin A=4/3 for some value of A​

Answer 1

it is wrong as sine of any angle cannot be greater than 1

However if u wanted to write sinA = 4/5 then A = 53°

Answer 2

sinA = 4/3 = 1.333.. > 1

but we know that maximum value of sine is 1 so, sinA ≠ 4/3 it's not possible .

actually , sinA = p/h { p =>perpendicular , h => hypotenuse }

we know, h >P for all real value of P and h

so, P/h < 1

hence, sinA ≠ greater then 1