Question

4. If sin x=2/3
find the value of sin 3x.
​

Answer 1

Step-by-step explanation:

$\sin(3x) = 3 \times \frac{2}{3} - 4( { \frac{2}{3} })^{3} = 2 - \frac{32}{27} \\ \: \: \: \: \: \: = \frac{22}{27}$

I hope it will help you to understand the solution ☺️

please mark it as the brainliest answer ☃️❄️

Answer 2

Step-by-step explanation:

A ball of mass M is thrown vertically upwards. Another ball of mass 2M is thrown at an angle θ with the vertical. Both of them stay in air for the same period of time. The heights attained by the two are in the ratio.