Which table shows a linear relationship?
1 answer:
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The answer will be <span>Negative
Write sin(</span>
) as sin(
+
<span>)
Using the summation identity will be:
</span>=sin()+cos()sin(
<span>)
</span><span>
By following the trivial identity, you should get:
=</span>0*
<span>Remove the parentheses on -1, then multiply</span>
=0*
You should get:
Write sin(</span>
Using the summation identity will be:
</span>=sin(
</span><span>
By following the trivial identity, you should get:
=</span>0*
<span>Remove the parentheses on -1, then multiply</span>
=0*
You should get:
Speed is the rate of distance over time.
<em>The speed of the boat is 13mph south-west</em>
Given
<em /><em> --- west</em>
<em /><em> -- south</em>
<em />
The speed is illustrated with the attached image
Because both speeds act at a diagonal, the speed (v) of the boat is calculated using Pythagoras theorem as follows:
Take square root
<em />
<em>Hence, the speed of the boat is 13mph south-west</em>
Read more about speed at:
