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)
.png)
Note the presence of the negative sign
b)
.png)
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)
.png)
Note the presence of the negative sign
b)
.png)
Note the absence of the negative sign
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