Question

Trigonometry

Answer 1

The value of the trigonometrical expression\[ 3\sin^2 30^o + 2\tan^2 30^o \ is :\ ??\]

Answer 2

help??

Answer 3

@kropot72 help

Answer 4

\[\sin 30\ degrees=0.5\]
\[\tan 30\ degrees=\frac{1}{3}\sqrt{3}\]
Can you finish it now?

Answer 5

@Rohangrr Are you there?

Answer 6

nope

Answer 7

help me to the ans.

Answer 8

Just substitute the values:
\[3\sin ^{2}30+2\tan ^{2}30=(3\times 0.5^{2})+(2\times (\frac{1}{3}\sqrt{3})^{2})=\frac{3}{4}+\frac{2}{3}=?\]

Answer 9

17/12

Answer 10

Correct!

Answer 11

thanks