trigonometry

Related Questions

• If a flagstaff of 6 metres high placed on the top of a tower throws a shadow of $2\sqrt{3}\,metres$ along the ground, then the angle (in degrees) that the sun makes with the ground is

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• The area of the equilateral triangle which containing three coins of unity radius is

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• The angle of elevation of the top of the tower observed from each of the three points $A,B,C$on the ground, forming a triangle is the same angle $\alpha $. If R is the circum-radius of the triangle ABC, then the height of the tower is

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• In a triangle $ABC$ , $AD$ is altitude from A. Given $b>c,$ $\angle C={{23}^{o}}$ and $AD=\frac{abc}{{{b}^{2}}-{{c}^{2}}},$ then $\angle B=$

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• Some portion of a 20 meters long tree is broken by the wind and the top struck the ground at an angle of 30°. The height of the point where the tree is broken is

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