The cost in dollars of a Valentine's Dance is 45 + 3s where s is the number of students attending. What is the cost for 78 stude
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Answer:
let us first take a look at the values of the trigonometric ratios given in the question so that we get quite clear about what is to be done.
here ,
now ,
we just have to plug in the values considering certain other things given in the question and we're done!
so let's start ~
hence , proved ~
hope helpful :D