what is the other 6 trigonometric functions of Sin A 3/7
sin = y / r cosec = r / y
cos = x / r sec = r / x
tan = y / x cot = x / y
Here, we know y = 3 and r = 7 so...using the Pythagorean Theorem, x = √(7^2 - 3^2) = √(49 - 9) = √40 = 2√10
Knowing these values....can you finish this one ???