Computer Science, asked by SHUVOCHOWDHURI, 4 months ago

। কম্পিউটারে সংযুক্ত ব্যাটারিটিকে কী বলে?
BIOS
খ) COMS
W MOUS ঘ) CMOS​

Answers

Answered by Anonymous
1

Explanation:

tan(2A)=tan[(A+B)+(A-B)]

=tan(A+B)+tan(A-B)/1-tan(A+B)*tan(A-B)

=m+n/1-mn

2B=(A+B)+(B-A), Note B-A=-n

similarly tan2B

=tan[(A+B)-(A-B)]

=m-n/1+mn

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