brazellnicole25 Group Title Msin(Bt)+Ncos(Bt)=squareroot(M^2+N^2)sin(Bt+C) one year ago one year ago

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1. pathosdebater Group Title

Is this how it is supposed to look?

2. brazellnicole25 Group Title

$M \sin Bt+N \cos Bt=\sqrt{M^2+N^2} \sin (Bt+C)$

3. pathosdebater Group Title

Trying to solutions for the variable t, right?

4. brazellnicole25 Group Title

$M \sin Bt+N \cos Bt=\sqrt{M^2+N^2}\div \sqrt{M^2+N^2}timesM \sin Bt+N \cos Bt$

5. brazellnicole25 Group Title

I know I should also use the sum identity for the sine function. But, I'm stuck and have a blank on what to do next.

6. pathosdebater Group Title

t = -(1/B) cos^-1