If sin 150° is 1/2 find sin75°

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

Write the equation in logarithmic form e^x=403.429

Find cot x if sin x cot x csc x = √2