Question Text
Question 1 :
{tex}\frac { { tan }^{ 2 }\theta }{ 1+{ tan }^{ 2 }\theta } {/tex} is equal to<br/>
Question 2 :
{tex}{ cot }^{ 2 }\theta -\frac { 1 }{ { sin }^{ 2 }\theta } {/tex} is equal to<br/>
Question 3 :
(cos θ + sin θ)<sup>2</sup> + (cos θ – sin θ)<sup>2</sup> is equal to<br/>
Question 4 :
If the length of the shadow of a tower is √3 times that of its height, then the angle of elevation of the sun is<br/>
Question 5 :
A ladder 14 m long rests against a wall. If the foot of the ladder is 7 m from the wall, then the angle of elevation is<br/>
