Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$$\cos\ 37^{\circ}=$$

Answer

e*g*cos(37*d)

Solution


Regroup terms.
\[eg\cos{37d}\]
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