SOLUTION: Use the angle sum formulas for sine and cosine to write tan⁡(μ+ϑ) in terms of sin⁡(μ), sin⁡(ϑ),cos⁡(μ)and cos⁡(ϑ)

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Question 858170: Use the angle sum formulas for sine and cosine to write tan⁡(μ+ϑ) in terms of sin⁡(μ), sin⁡(ϑ),cos⁡(μ)and cos⁡(ϑ)
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
Use the angle sum formulas for sine and cosine to write tan⁡(μ+ϑ) in terms of sin⁡(μ), sin⁡(ϑ),cos⁡(μ)and cos⁡(ϑ)
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tan(u+v) = sin(u+v)/cos(u+v)
= [sin(u)cos(v)+cos(u)sin(v)]/[cos(u)cos(v)-sin(u)sin(v)]
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Cheers,
Stan H.
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