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The angle of elevation of the top of a pillar of height h from two points in the same horizontal line through…
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If sin 17° = then show that sec 17° – sin 73° =
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If 5 sin² θ + 4 cos² θ = , then from this relation find the value of tan θ.
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The difference of acute angles of a right angled triangle is 72°. Determine these acute angles in circular measure
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Draw a right angled triangle whose two adjacent sides of the right angle are 4 cm and 5 cm. Construct the circumcircle…
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Draw a circle of radius 4 cm. Draw a tangent on this circle from an external point at a distance 9 cm…
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In a triangle PQR, ∠P = 90° and PS is perpendicular to QR. Then prove that
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ABCD is a circumscribed quadrilateral of a circle with centre O. Show that AB + CD = AD + BC
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If two tangents are drawn to a circle from a point outside it, then prove that the line segments joining the point…
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Prove that in any circle, angles in the same segment are equal.
