Trigonometric Integration

For the indicated integral, what would the first step be?

• Save a sine and convert the rest to cosines
• Save a cosine and convert the rest to sines
• Use u-substitution
• Just integrate

For the indicated integral, what would the first step be?

• Save a sine and convert the rest to cosines
• Save a cosine and convert the rest to sines
• Use u-substitution
• Just integrate

For the indicated integral, what would the first step be?

• Save a sine and convert the rest to cosines
• Save a cosine and convert the rest to sines
• Use u-substitution
• Just integrate

For the indicated integral, what would the first step be?

• Use a power-reducing formula
• Save a sine and convert the rest to cosines
• Save a cosine and convert the rest to sines
• Just integrate

For the indicated integral, what would the first step be?

• Convert a tangent squared to secant to be able to save a secant tangent
• Convert a secant squared to tangent squared to save a tangent squared
• Use u-substitution
• Just integrate

For the indicated integral, what would the first step be?

• Change a secant squared to tangent squared
• Save a tangent squared
• Say a really good prayer
• Just integrate

For the indicated integral, what would the first step be?

• Convert secant squared to tangent squared
• Use u-substitution
• Give it to sleeping Joseph
• Just integrate

For the indicated integral, what would the first step be?

• Use u-substitution
• Integrate by parts
• Use partial fractions
• Just integrate

• Arctan(u/a) + C

• Arcsin(u/a) + C

• (1/a) arcsin (u/a) + C

• (1/u) arcsin (|u|/a) + C

∫du/(a^2 + u^2)

• (1/u) arcsin (|u|/a) + C

• Arctan(u/a) + C

• Arcsin(u/a) + C

• (1/a) arctan (u/a) + C