Question

Sin2 30° + cos2 45°+ 4tan2 30°

Answer 1

Step-by-step explanation:

Sin2 30° + cos2 45°+ 4tan2 30°

=(1/2)^2+ (1/√2)^2+ 4(√3)^2

=1/4+1/2+4 X 3

= 1/4 + 1/2 + 12

$= 12 \frac{3}{4}$