The obvious answer is the relationships between the sides and angles of triangles.
Waves in the sea are an example of a sine wave. Tidal Experts and Meterologists alike use sine waves to help predict tides. Music will also emit waves that may often look like a sine wave and pure notes will look like sine or cosine waves.
The speed of a swinging pendulum can be plotted as a sine wave as well as the sound of a tuning fork.
Electromagnetic radiation (from a mobile phone, GPS, car radio ect) also moves in sine waves.
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Explain the addition and multiplication properties of inequalities
The square root of a number is that number which, when squared, gives you the given number. For example, the square root of 25 is 5, since if you square 5, you get 25. It is the "inverse function" (that is, in a way it's the opposite) of squaring.
(a) Explain the 6 steps in problem solving
i dont understand this, we asking for the answer and they want us to give them the answer......................how would we know what the answer is, hence the reason we came on this site in the first place, jezze, i wonder who is smarter between us and this stupid site
Yes. sqrt(2) and sqrt(18) = 3*sqrt(2) are both irrational. But their product is sqrt(2)*3*sqrt(2) = 3*2 = 6 which is rational.