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(Solved): Solve \( \sin (5 x) \cos (8 x)-\cos (5 x) \sin (8 x)=-0.6 \) for the smallest positive solution. \[ ...




Solve \( \sin (5 x) \cos (8 x)-\cos (5 x) \sin (8 x)=-0.6 \) for the smallest positive solution.
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Without using a calculator, find the value of \( \sin ^{2}\left(79^{\circ}\right)+\cos ^{2}\left(79^{\circ}\right)-\frac{\sin
Solve \( \sin (5 x) \cos (8 x)-\cos (5 x) \sin (8 x)=-0.6 \) for the smallest positive solution. \[ x= \] Give your answer accurate to two decimal places. Without using a calculator, find the value of \( \sin ^{2}\left(79^{\circ}\right)+\cos ^{2}\left(79^{\circ}\right)-\frac{\sin \left(5^{\circ}\right)}{\cos \left(85^{\circ}\right)} \).


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1. sin?(5x)cos?(8x)?cos?(5x)sin?(8x)=?0.6 As we know sin?(
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