itatatrufus itatatrufus

29-07-2020
Mathematics

contestada

Solve sin 20 = COS CE-30)

Respuesta :

jimrgrant1 jimrgrant1

29-07-2020

Answer:

CE = 100°

Step-by-step explanation:

Using the cofunction identity

sin x = cos(90 - x)

Given x = 20°, then 90° - 20° = 70° thus

CE - 30 = 70° ( add 30 to both sides )

CE = 100°

Thus

sin20° = cos(100 - 30)° = cos70°

Answer Link

danielhw2003 danielhw2003

29-07-2020

Answer:

CE = 100

have a nice day!

Step-by-step explanation:

Answer Link

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