Q.1

Q.2
In a triangle, sides are in A.P. and biggest angle is twice of smallest, then the ratio of sides are

Q.3
The value of $\mathrm{cos}52°+\mathrm{cos}68°+\mathrm{cos}172°$ is

Q.4
$\mathrm{tan}70°$ is equals to

Q.5
The angle of elevation of top of a tower from a point P on a plane field is $30°$ . If the height of the tower is 100m, then the distance of point P from the bottom of the tower wil be

Q.6
Angle of elevtion of top of a tower from a point on earth is $30°$ . After walking 30m towards the building, the angle of elevation of top of the building becomes $60°$ . What is the height of the building?

Q.7
$\sqrt{\frac{1-\mathrm{sin}A}{1+\mathrm{sin}A}}=?$

Q.8
The value of $\mathrm{sin}30°+\mathrm{tan}45°-\mathrm{cos}60°$ is

Q.9
If tan$\mathrm{tan}\theta =\frac{1}{2}$ and $\mathrm{tan}\phi =\frac{1}{3}$ then the value of $\theta +\phi$ will be

Q.10
$\mathrm{tan}1°.\mathrm{tan}2°.\mathrm{tan}3°.\mathrm{tan}4°........\mathrm{tan}80°$ is equals to

Q.11
The value of $\mathrm{cos}20°.\mathrm{cos}40°.\mathrm{cos}60°.\mathrm{cos}80°$ is

Q.12
The value of $\mathrm{sin}10°.\mathrm{sin}30°.\mathrm{sin}50°.\mathrm{sin}70°$ is

Q.13
The value of $\mathrm{tan}20°.\mathrm{tan}40°.\mathrm{tan}60°.\mathrm{tan}80°$ is

Q.14
Maximum and minimum value of $7\mathrm{cos}\theta +24\mathrm{sin}\theta$ is

Q.15
The value of (tanA+secA-1) cos A is

Q.16
The value of $\frac{\mathrm{sec}x-1+\mathrm{tan}x}{\mathrm{tan}x-\mathrm{sec}x+1}$ will be

Q.17
In a triangle ABC if a = 4, b = 3 and $\mathrm{sin}A=\frac{4}{3}$ then the value of $\angle B$ is

Q.18
$\frac{\sqrt{1+\mathrm{sin}x}+\sqrt{1-\mathrm{sin}x}}{\sqrt{1+\mathrm{sin}x}-\sqrt{1-\mathrm{sin}x}}$ is equal to

Q.19
The value of $\mathrm{cot}41°.\mathrm{cot}42°.\mathrm{cot}43°.\mathrm{cot}44°.\mathrm{cot}45°.\mathrm{cot}46°.\mathrm{cot}47°.\mathrm{cot}48°.\mathrm{cot}49°$ is equals to

Q.20
If ${\mathrm{tan}}^{2}B=\frac{1-\mathrm{sin}A}{1+\mathrm{sin}A}$ ,the what will be the value A + 2B

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