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I NEED HELP WITH TRIGONOMETRY !!

I NEED HELP WITH TRIGONOMETRY class=

Sagot :

x is 14.3

[tex] \frac{x}{ \sin(a) } = \frac{y}{ \sin(b) } [/tex]

the right angle is 90 degrees, so sin(a) is 90

[tex] \frac{x}{ \sin(90) } = \frac{9}{ \sin(39) } [/tex]

multiply sin(90) on both sides to give:

[tex]x = \frac{9}{ \sin(39) } \times \sin(90) [/tex]

x is 14.3