ltahlyssa ltahlyssa

09-05-2020
Mathematics

contestada

I don't understand how to do this

I dont understand how to do this class=

Respuesta :

jiahuitan1510 jiahuitan1510

09-05-2020

Answer:

-1.7321

Step-by-step explanation:

cos delta = -1/2

delta = cos^-1 (-1/2)

delta = 120 (at quadrant 2)

tan delta =tan 120 = -1.7321

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