Question Text
Question 3 :
Can the trigonometric ratios sin A, sec A and tan A be expressed in terms of cot A?
Question 4 :
Express $\sin 67^{\circ} + \cos 75^{\circ}$ in terms of trigonometric ratios of angles between $0^{\circ}$ and $45^{\circ}$.
Question 7 :
$\tan 48^{\circ} \tan 23^{\circ} \tan 42^{\circ} \tan 67^{\circ} = 1$. TRUE or FALSE?
Question 8 :
$\sin 2A = 2 \sin A$ is true when A is equal to
Question 10 :
The value of $\sin \theta$ increases as $\theta$ increases. True or False?
