Jawaban:
f(x)=tan³x
f'(x)=3(tanx)²(sec²x)=3tan²xsec²x
f'(π/3)=3(√3)²(2)²=3×3×4=36
f(x)sec²3x
f'(x)= 2(sec 3x)(3sec3xtan3x)
=6sec²3xtan3x
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Jawaban:
f(x)=tan³x
f'(x)=3(tanx)²(sec²x)=3tan²xsec²x
f'(π/3)=3(√3)²(2)²=3×3×4=36
f(x)sec²3x
f'(x)= 2(sec 3x)(3sec3xtan3x)
=6sec²3xtan3x