Can somebody please explain how to do this:)

asked Aug 6, 2022 189k views

2 votes

by Djave

4.3k points

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2 votes

$\\ \sf\longmapsto (sin40.sin120)/(sin110-sin340)$

$\\ \sf\longmapsto (sin(90-50).sin(90+30))/(sin(90+20).sin(360-20))$

$\\ \sf\longmapsto (cos50.cos30)/(cos20.(-sin20)$

$\\ \sf\longmapsto (cos50cos30)/(-sin20cos20)$

$\\ \sf\longmapsto -(cos30cos50)/(sin20cos20)$

Terry Djony answered Aug 12, 2022

4.2k points

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