From the figure (1) given below, find the values of:

(i) sin B

(ii) cos C

(iii) sin B + sin C

(iv) sin B cos C + sin C cos B.

From the figure (2) given below, find the values of :

(i) tan x

(ii) cos y

(iii) cosec² y - cot² y

(iv) $\dfrac{5}{\text{sin x}} + \dfrac{3}{\text{sin y}} - 3\text{ cot y}$.

From the figure (2) given below, find the value of :

(i) sin x

(ii) cot x

(iii) cot² x - cosec² x

(iv) sec y

(v) tan² y - $\dfrac{1}{\text{cos}^2 y}$

From the figure (1) given below, find the values of :

(i) 2 sin y - cos y

(ii) 2 sin x - cos x

(iii) 1 - sin x + cos y

(iv) 2 cos x - 3 sin y + 4 tan x