ms.kelly's class is collecting box tops for their school their goal is 200 box tops. On the first day. shelly bought in 4 bags w
ith 6 box tops in each bag. and chuck bought in 8 bags with 8 box tops in each bag. which equation can Ms.kelly use to determine the number of box tops the class needs to reach their goal.
1 answer:
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Step-by-step explanation:
We start with Left hand side
We know that csc(x) = 1/ sin(x)
So csc(2x) is replaced by 1/sin(2x)
Also we use identity
sin(2x) = 2 sin(x) cos(x)
4 divide by 2 is 2
Now we multiply top and bottom by sin(x) because we need tan(x) in our answer
We know that sinx/ cosx = tan(x)
Also 1/ sin(x)= csc(x)
so it becomes 2csc^2(x) tan(x) , Right hand side
Hence verified