Feroz's Holiday Blog #2

blah blah blah Chapter 10-1 blah blah blah

Formulas:

sin: (a +/- b) = sinacosb +/- cosasinb

cos: (a +/- b) = cosacosb +/- sinasinb

ex. sin 75

= (sin 45 + sin 35) = sin45cos35 + cos45sin35

= (√2/2) (√3/2) + (√2/2)(1/2)

= √6 + √2
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