Mistakes in using cosine formula. How to use cosine formula.
Автор: VIC.MATHCLASS
Загружено: 2024-12-05
Просмотров: 58
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VIC.MATHCLASS
There are several mistakes students make while trying to use cosine formula to solve a particular problem of triangle which requires the use of cosine formula.
one must know if the condition for using cosine formula is satisfied.
one must understand if the angle in question is in the first quadrant or second quadrant.
This will determine if the expression will be added or subtracted.
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