Given : sin(theta)= 4/5 | cos x = -5/13 (theta: quadrant i, x: quadrant ii)

what is sin(theta+x)
cos(theta-x)
tan(theta+x)
sin2 theta
cos 2x
tan2 theta
tan 1/2x
sin 3 theta

idk

step-by-step explanation:

payback

the revenue of the fitness center, y, is the product of two factors: the number of members and the fee paid by each member. there are 320 members now, but number of members goes down by 10 for each $5 increase in fees, so if x is the number of $5 price increases then members is equal to (320 - 10x). since the fee is currently $45, and the fee increases by $5 for every price bump x, the fee is given by (45 + 5x). so, revenue y is given by y = (320 - 10x)(45 + 5x).

what is the rest of the question? ?

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