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Anton Von Leeuwenhoek(1674)first saw and described a live cell under microscope.
If tan 12θ x tan 6θ = 1 then the value of tan 9θ is
Find the value of (cos 60 º + sin 60 º) /(tan 60 º + cot 45 º) .
If sin(x-y) = 1 and cos(x+y) = 1 /√2 then what is measure of angle x.
If Sin 3A = Cos (A - 46°) where 3A is acute angle, then the Value of A is
A man is standing at a point 40 meters away from a tower. The angle of elevation of the top of the tower from the point is 45°. After walking 20 meters...
The angle of elevation of the top of a 70 feet tall tower from the initial position of a person on the ground was 30°. She walked towards the tower in ...
If tanθ – cotθ = a and cosθ + sinθ = b, then (b2 –1)(a2 + 4) = ?
If θ is a positive acute angle and cos² θ + cos⁴θ = 1, then the value of tan²θ + tan⁴θ is?
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 ...
The minimum value of 3 sin2 θ + 4 cos2 θ is
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