Question

If secA=cosecB then A+B =

Answer 1

Answer:

90°

Step-by-step explanation:

SecA = CosecB

=> 1/CosA = 1/SinB

=> SinB = CosA

=> Cos(90 - B) = CosA (∵ Cos(90-θ) = Sinθ)

=> 90 - B = A

=> A+B = 90°.