If tan θ = 8/15, then cosec θ = ?
Given: tan θ = 8/15 = Perpendicular/Base
On comparing, we get:
Perpendicular = 8
Base = 15
Therefore, (Hypotenuse)2 = (Perpendicular)2 + (Base)2
= 64 + 225
= 289
Therefore, hypotenuse = √289
= 17
Therefore cosec θ = Hypotenuse/Perpendicular
= 17/8