sophiaa23
16.10.2020 •
Mathematics
Evaluate `int cosec^(2)(7-5x)dx
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Ответ:
∫ cosec²(7-5x) dx =[-cot(7-5x)]/-5 +c
=(1/5)cot(7-5x)+c
note: d/dx(cotx)=- cosecx
Ответ:
Start by multiplying both sides by 2 to get rid of the fraction right away. Doing that gives us 6x - 30 = 8x. Subtract the 6x from both sides to get -30 = 2x. Dividde both sides by 2 to get that x = -15