Question

$14sin{30}^{\circ }+6cos{60}^{\circ }-5tan{45}^{\circ }=$ _____

• A. 6
• B. 5
• C. 1
• D. 0

Answer 1

The correct option is B

5

$14sin{30}^{\circ }+6cos{60}^{\circ }-5tan{45}^{\circ }$

$=14\left(\frac{1}{2}\right)+6\left(\frac{1}{2}\right)-5\left(1\right)$

$=7+3-5$

$=5$