If sin(α) = \$ 3/5 \$ and cos(β) = \$ 4/5\$, where α and β are acute angles, find tan(α + β).

A) \$ 18/13 \$

B) \$ 7/12 \$

C) \$ 13/9 \$

D) \$ 24/7 \$

If sin \$ \theta = 3/5\$ and \$ \theta\$ are in Quadrant II, find the values of cos(\$ \theta\$ ) and tan(\$ \theta\$ ).

A) \$ - 4/5\$, \$ - 3/7\$

B) \$ 5/4\$, \$ - 4/3\$

C) \$ - 4/5\$, \$ - 3/4\$

D) \$ - 4/3\$, \$ 3/7\$

Find the value of (sin 45° + cos 45°) – (sin 30° + cos 60°).

A) 2

B) \$sqrt(2) +1\$

C) -2

D) \$sqrt(2) -1\$

Determine value of \$3cos(2π /4)\$.

A) 2

B) 0

C) -2

D) 3

Evaluate the following expression: \$ sin(pi/3) cos(pi/6) + cos(pi/3) sin(pi/6) \$.

A) 1

B) \$ 1/2\$

C) \$ \sqrt3/2\$

D) \$ \sqrt 3\$