These are exercises on the formulae derived in Book 1 for converting the sum or difference of two sines or two cosines into a product.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]

These are exercises on the formulae derived in Book 1 for converting the sum or difference of two sines or two cosines into a product.

[1]

[2]

[3]

[4]

[5]

[6]

[7]

[8]

[9]

[10]

[11]

[12]

[13]

[14]

[15]

[16]