em4747gbpack em4747gbpack

25-02-2021
Mathematics

contestada

help me plzzzz, trigonometry!! I'll give brainliest!!!

... i dont know what I'm doing, dont mind my x and y handwritten stuff

help me plzzzz trigonometry Ill give brainliest i dont know what Im doing dont mind my x and y handwritten stuff class=

Respuesta :

25-02-2021

Answer:

Step-by-step explanation:

tan47=x/18

x=18tan47

cosCDB=7/x

cosCDB=7/(18tan47)

CDB=arccos(7/(18tan47))

CDB=68.74

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