(1, – 1)

(v) (1, – 1)

Sol. The terminal arm passes through P (1, – 1)

∴  x = 1 and y = – 1

r = √(x²+y² )

∴ r =√((1)²+(-1)² )

∴ r =√(1+1)

∴ r =√2

Let the angle be θ

sin θ = y/r = -1/√2

cosec θ = r/y = -√2

cos θ = x/r = 1/√2

sec θ = r/x = √2      

tan θ = y/x =-1

cot θ = x/y = -1