Question

If tan alpha equal to 5/12,find the value of sec alpha ​

Answer 1

Hey,

here ur answer

Tan alpha = 5/12

Tan alpha = Opposite side/Adjacent side = 5/12

Hypotenuse = Root[5^12 + 12^2] = Root[25+144] = Root169 = 13

Sec alpha = 1/cos alpha = hypotenuse/adjacent side = 13/12