Example

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

Question

$$\sin\ 45^{\circ}-eos\ 65^{\circ}+\sin\ 135^{\circ}\cos\ 115^{\circ}a$$

Answer

$$e*g*sin(45*d)-65*e*de*o*s*g+e^2*g^2*a*sin(135*d)*cos(115*d)$$

Solution


Regroup terms.
\[eg\sin{45d}-eos\times 65deg+(\sin{135d})eg(\cos{115d})ega\]
Regroup terms.
\[eg\sin{45d}-65edeosg+(\sin{135d})eg(\cos{115d})ega\]
Use Product Rule: \({x}^{a}{x}^{b}={x}^{a+b}\).
\[eg\sin{45d}-65edeosg+\sin{135d}{e}^{2}{g}^{2}\cos{115d}a\]
Regroup terms.
\[eg\sin{45d}-65edeosg+{e}^{2}{g}^{2}a\sin{135d}\cos{115d}\]
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