Mathematics: Select the best answer from the choices provided

Select the best answer from the choices provided

beckers0115

17.01.2022

Step-by-step explanation:

Using the trigonometric identity

• csc²Θ = 1 + cot²Θ ( cotΘ = $\frac{4}{3}$ ), hence

csc²Θ = 1 + ( $\frac{4}{3}$ )²

= 1 + $\frac{16}{9}$ = $\frac{25}{9}$

Take the square root of both sides

cscΘ = $\sqrt{\frac{25}{9} }$ = $\frac{5}{3}$ → D

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Savadt2810

13.09.2021

19π/6

330 degrees

sin (19π/6)= -0.5 0r -1/2

Step-by-step explanation:

19π/6

330 degrees

sin (19π/6)= -0.5 0r -1/2

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