Math and Trigonometry
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If Sin o =1/2 verify that 2sin o cos o =2 tan o /1+tan^2 o
Cos 30 degree ka Maan kitna hota hai
If\ COt\ A=\frac{12}{5}5,then\ the\ value\ of\ \left(SinA+\cos A\right)\ \operatorname{cosec}A\ is
Trigonometry
Work out the volume of this triangular prism
Length-4cm
height-6cm
width-12cm
If cotA is equal to 3by4 prove sinApluscosAby sinA minus cosA equal to 7
The angle of elevation of the top of a tower from two points at a distance of 4 m and 9 m from the base of the tower and in the same straight line with it are complementary. Prove that the height of tower is 6 m
An aeroplane when 3000m high passes vertically above another aeroplane at an instant when their angle of elevation at the same observation points are 60 degree and 45 degree respectively. How many metres higher is the one than the other?
$$\sin(-\frac{\pi}{6}\ )$$
Example-2. In AABC and APOR, if ZAand Z Pare acute angles such that sin A= sin P then
prove that 2A ZP
(1+tan^2A)(1-tan^2A)
An observer observed from the top of a house the angle of elevation of the top of the tower found to be 30 degree . Find the height of the tower , if height of the house is 10m and the distance between tower and house is 60 meter.
