Integrals and U-Sub

• sin x + C
• -sin x + C
• ln |sinx| + C
• -ln |sinx| + C

What should "u" equal in this integral?

• csc(x)
• csc²x
• sin(x)
• cos(x)

• A
• B
• D
• E

• A
• B
• C
• D

• A
• B
• C
• D

What should "du" equal in this integral?

• tanxsecx dx
• secx dx
• sec²x dx
• tanx dx

What should be assigned to u in the integral?

• 2x²
• 4x
• 5x
• no u needed

What should be used for u in the integral?

• tanx
• tan⁴x
• no u needed
• tanx secx

∫ 2x cos(x²) dx

• sin(x²) + C

• 2 sin ( 2x ) + C

• (1/2) sin(x²) + C

• 4 cos(2x ) + C

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