Hello sir Please solve this cos (a+b)
Answer (1)
Hello Aspirant, this is a platform for the the counselling of the college and rank. This is not a platform in which you can ask mathematical question. Please ask this question on meriantation like platform. I am giving you answer but next time be careful...
Cos(A+B) =CosACosB-SinASinB.
I hope you understand.
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