For the given figure, which of the following conditions is true :

1. cot γ < cot β

2. cot γ > cot α

3. cot β > cot α

4. cot β < cot γ

If sin A = $\dfrac{4}{5}$, the value of $\sqrt{\dfrac{1 - \text{cos (90° - A)}}{1 + \text{cos (90° - A)}}}$ is :

1. 1

2. 3

3. $\dfrac{1}{2}$

4. $\dfrac{1}{3}$

$\dfrac{\text{sin A tan A}}{1 - \text{cos}^2 A}$ is equal to :

1. cos A

2. sec A

3. cosec A

4. sin A

For acute angles α and β, if α > β, then :

A : cos α > cos β

B : tan α > tan β

C : sin α > sin β

D : cot α > cot β

Which of the above statement/statements is/are true :

1. A and B

2. B and C

3. C and D

4. D and A