Find trigonometric ratio when arm passes through (4,-3)
Construct the circumcircle of ∆SIM in which SI = 6.5 cm., ∠I = 1250, IM = 4.4 cm.
Prove sec2A + cosec2A = sec2A × cosec2A
If acosx + bsinx = m and asinx – bcosx =n then Prove m2 + n2 = a2 + b2.
A tree is broken by the wind. The top struck the ground at an angle of 30° and at a distance of 30 m from the root. Find the whole height of the tree.
Draw a tangent to the circle from the point L with radius 2.8 cm. Point ‘L’ is at a distance 5 cm from the centre ‘M’.