Zhou Z.
asked • 11/11/21Differentiate the following functions
| f (x) = 8x9 sin x + 4 sec x |
f (x) =cos x/8-7 tan x
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1 Expert Answer
f(x)= 8x9 sin x + 4 sec x
f ' (x) = 8•d(x9 sin x) / dx +4•d(sec x) / dx
Use the product rule and d(sec u) = sec u • tan u • du
f ' (x) = 8 (x9• cos x + 9x8 sin x)+ 4 sec x • tan x
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Joel L.
11/11/21