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Help solving for x. 3sinx+4cosx=4.5
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Help solving for x.
3sinx+4cosx=4.5

User Sergio Monteleone
by
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1 Answer

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Hope you can make this out.

First use the pythagorean relation that sin^2x + cos^2x = 1 and solve for cosx using the quadratic equation, then arccos of the two results gives you two angles. Both are correct.
Help solving for x. 3sinx+4cosx=4.5-example-1
User ZombieTfk
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