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given sin(theta)=4/5

find the cos

Sagot :

10194241

Answer:

cosx=

3/5

Use Trignometrical identity cosx = [tex]√1−sin2x[/tex]

cos x =

√1−16/25 =√9/25 = 3/5

to be the value in the first quadranr.

Step-by-step explanation:

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