BigDawgsx2 BigDawgsx2

25-10-2019
Mathematics

contestada

Use tan ⁡x=2, where 180° < x < 270°, to answer the following questions.
Part A: What formulas(s) can be used to find cos⁡(2x)?

Part B: What is cos⁡(2x)?

Respuesta :

Аноним Аноним

25-10-2019

Answer:

A = 3/5

B = 3/5

Step-by-step explanation:

Answer Link

itsgenre itsgenre

14-05-2020

Answer:

A: 2cos2x−1

A: 1−2sin2x

A: cos2x−sin2x

B: 0

Step-by-step explanation:

Answer Link

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