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 858183: 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 lwsshak3(11628) About Me  (Show Source):
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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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sin(u+ϑ)=sinu*cosϑ+cosu*sinϑ
cos(u+ϑ)=cosu*cosϑ-sinu*sinϑ
..
tan(u+ϑ)=sin(u+ϑ)/cos(u+ϑ)=(sinu*cosϑ+cosu*sinϑ)/(cosu*cosϑ-sinu*sinϑ)