Question

10) If cosec + coto = 5, then evaluate seco.​

Answer 1

Answer:

Sec theta= 13/12 is your ans

Answer 2

Step-by-step explanation:

cosecθ+cotθ=5

➡(1+cosθ)/sinθ=5

➡1+cosθ=5sinθ

➡(1+cosθ)²=25sin²θ

➡(1+cosθ)²=25(1-cos²θ)

➡(1+cosθ)²=25(1+cosθ)(1-cosθ)

➡1+cosθ=25(1-cosθ)

➡1+cosθ=25-25cosθ

➡26cosθ=24

➡cosθ=24/26=12/13

➡secθ=13/12