If A+B+C=180^(@) then prove that cos^(2)A/2+cos^(2)B/2+cos^(2)C/2=2(1+sinA/2sinB/2sinC/2)
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Step-by-step explanation:
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1 point
The Arithmetic progression having infinite (uncountable) number of terms is called ______________.The sum of first n positive integers is given by
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The Arithmetic progression having infinite (uncountable) number of terms is called ______________.The sum of first n positive integers is given by
1 point
The Arithmetic progression having infinite (uncountable) number of terms is called ______________.The sum of first n positive integers is given by
1 point
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