Cos/(1-sinß) = 1/(secß - tanß) prove.
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Answer:
Step-by-step explanation:
Given: Jabari's total fee, f, for a single job is a function of the number, t, of hours it takes him to complete the job.
For every job, he charges an initial fee plus $30 for each hour of work.
let m be his initial fee.
Then .......(1)
Also, his total fee for a 4-hour job, for instance, is $170.
Put t=4 and f=170 in (1), we get
Now, put m=50 in the (1), we get the function's formula for Jabari's total fee, f as