2 years ago

CosA×cos2A+sinA×sin2A=cos (2A-A)

Mathematics

1 answer:

Aleksandr-060686 [28]2 years ago

7 0

Answer:

csc

, as desired!

Step-by-step explanation:

cos

sin

cos

sin

cos

(

−

)

sin

cos

sin

cos

sin

csc

, as desired!

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THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION. 

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CosA×cos2A+sinA×sin2A=cos (2A-A)​

CosA×cos2A+sinA×sin2A=cos (2A-A)