Mathematics: Please help - trig identity

Please help - trig identity - id15284626, giovney

Ответ:

daniecott

12.02.2022

Mathematics

Solution is in the given attachment.

hope it's helpful

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Ответ:

5theth

12.02.2022

Mathematics

$( \cot(x) - \csc(x) ) \times ( \cos(x) + 1) \\ \\ \\ ( \: (\frac{1}{ \tan(x) } ) - ( \frac{1}{ \sin(x) } )) \: \times ( \cos(x) + 1) \\ \\ \\ (( \frac{1}{ \frac{ \sin(x) }{ \cos(x) } } ) - ( \frac{1}{ \sin(x) } )) \times ( \cos(x) + 1) \\ \\ (( \frac{ \cos(x) }{ \sin(x) } ) - (\frac{1}{ \sin(x) } )) \times ( \cos(x) + 1) \\ \\ \\ \frac{ \cos(x) - 1}{ \sin(x) } \times ( \cos(x) + 1) \\ \\ \\ \frac{(( \cos(x) + 1) \times ( \cos(x) - 1) }{ \sin(x) } \\ \\ \\ \frac{ { \cos }^{2}(x) - 1 }{ \sin(x) } = \frac{ { - \sin }^{2} (x)}{ \sin(x) } \\ \\ = - \sin(x)$

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Ответ:

ajbrock1004

10.06.2021

Mathematics

Sin A = 5/13,

Cos A = 12/13,

tan A = 5/12

CSC A = 13/5

Sec A = 13/12

Cot A = 12/5

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Please help - trig identity

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