Math, asked by rithikareddy3520, 11 months ago

A=30degrees then find cos2A in terms of tanA

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Answered by brunoconti
0

Answer:

Step-by-step explanation:

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Answered by sbsharini7
0

A=30

2A=60

Cos2A=Cos60

Cos60=1/2

Tan60=√3

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