If sin A - cosec A = 2, the value of sin² A + cosec² A is :

1. 2
2. 0
3. 4
4. 6

From the following figure, find :

(i) y

(ii) sin x°

(iii) (sec x° - tan x°)(sec x° + tan x°)

Use the given figure to find :

(i) sin x°

(ii) cos y°

(iii) 3 tan x° - 2 sin y° + 4 cos y°