### Integration of Trig Functions Part II

Be careful of the negative signs when integrating sin and cos functions

Question 1

a)

Note the absence of the negative sign

We divide by 2 as the differentiation of 2x is 2

b)

Note the presence of the negative sign

We divide by 2 as the differentiation of 2x is 2

Question 2

a)

Note the presence of the negative sign

b)

Note the absence of the negative sign

Question 1

a)

Note the absence of the negative sign

We divide by 2 as the differentiation of 2x is 2

b)

Note the presence of the negative sign

We divide by 2 as the differentiation of 2x is 2

Question 2

a)

Note the presence of the negative sign

b)

Note the absence of the negative sign

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