Question

if cos A =1 then A is​

Answer 1

Answer:

CosA +Cos A =1

2Cos A=1

Cos A =1/2

As we know Cos60° equals 1/2

Therefore A = 60

Sin A +Sin A = x

Sin 60+Sin 60=x

As we.know Sin of 60 is √3/2

√3/2+√3/2=x

2√3/2=x ( By adding)

√3=x

x=√3

Step-by-step explanation:

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Answer 2

Answer:

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