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A point P is 15 meters away from the base of a building. The angle of elevation to the top of the building is 60°, while the angle of elevation to the ...
A man observes the top of a tower at an angle of elevation of 30°. He walks 100 meters closer to the tower, and the angle of elevation becomes 60°. If...
If P, Q, R, S are the vertex of a cyclic quadrilateral. Find the value of
`1/sec p` +`1/sec q` +`1/sec r` +`1/sec s`
...A flagpole stands on top of a building. From a point 50 meters away from the base of the building, the angle of elevation to the top of the building is ...
Simplify (cos13°+sin 13°) /(cos13°-sin13°)
If cos² x + sin x = 5/4, then find the value of 'sin x'.
if a sin 45 ˚ = b cosec 60 ˚ then find the value of a⁴/b⁴
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