From the figure (2) given below, find the values of :
(i) sin A
(ii) cos A
(iii) sin2 A + cos2 A
(iv) sec2 A - tan2 A
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From the figure (1) given below, find the values of:
(i) sin θ
(ii) cos θ
(iii) tan θ
(iv) cot θ
(v) sec θ
(vi) cosec θ
(i) sin B
(ii) cos C
(iii) sin B + sin C
(iv) sin B cos C + sin C cos B.
From the figure (1) given below, find the value of sec θ.
