Q. 1

# If , find the values of(i) (ii) (iii) Given: sin x = and <x< i.e, x lies in the Quadrant II .

To Find: i)sin ii)cos iii)tan Now, since sin x = We know that cos x = cos x = cos x = cos x = since cos x is negative in II quadrant, hence cos x = - i) sin Formula used:

sin = Now, sin = = = Since sinx is positive in II quadrant, hence sin ii)cos Formula used:

cos = now, cos = = = = = since cosx is negative in II quadrant, hence cos = iii)tan Formula used:

tan x = hence, tan = = = = - Here, tanx is negative in II quadrant.

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