Question

If tantheta = 3/4 then find the value of sectheta

Answer 1

sec²Φ = 1 + tan²Φ

sec²Φ = 1 + (3/4)²

sec²Φ = 1 + 9/16

sec²Φ = 16 + 9 /16

sec²Φ = 25 / 16

secΦ = 5/4.