Question

Cosec Square 45° plus Tan squared 45° -3 sign squared 90

Answer 1

Step-by-step explanation:

{ cosec 45° = root2 , tan 45° = 1 , sin90° = 1}

cosec 45° + tan^2 45° - 3sin^290°

= root 2 + 1 - 3(1)

= root2 - 2