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Mathematics 14 Online
OpenStudy (anonymous):

Solve for x. \[\cos\left(\dfrac{2x}{7}\right) + \sin\left(\dfrac{3x}{5}\right)=4\]

OpenStudy (anonymous):

can this ever happen?

OpenStudy (anonymous):

max values for sine and cosine ratios are \(\pm1\)

OpenStudy (anonymous):

Are you sure this question is correct? Maximum value of cos(y) is 1, and the max of sin(y) is 1, for whatever y could be, so it could only ever have a maximum value of 2?

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