સરવાળાનાં સૂત્રો અને અવયવ સૂત્રો

ગણિત ધોરણ 11 સેમિસ્ટર 2

ગણિત

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સરવાળાનાં સૂત્રો અને અવયવ સૂત્રો

મૂલ્ય મેળવો :
$cos space 135 degree$

cos space 135 degree space equals space cos space open parentheses 180 degree space minus space 45 degree close parentheses space space space space space space space space space space space space space space space space space equals space minus space cos space 45 degree space space space space space space space space space space space space space space space space space equals space minus space fraction numerator 1 over denominator square root of 2 end fraction

મૂલ્ય મેળવો :
$tan space open parentheses negative fraction numerator 23 space straight pi over denominator 6 end fraction close parentheses$

increment

ABC માટે સાબિત કરો :

fraction numerator sin space open parentheses straight B space plus space straight C close parentheses space times space cos space open parentheses straight B space plus space straight C close parentheses times sin space begin display style straight A over 2 end style space times space cos space begin display style straight A over 2 end style over denominator sin space open parentheses begin display style fraction numerator straight B space plus space straight C over denominator 2 end fraction end style close parentheses space times space cos space open parentheses begin display style fraction numerator straight B space plus space straight C over denominator 2 end fraction end style close parentheses times space sin space open parentheses straight pi space plus space straight A close parentheses space times space cos space open parentheses 2 straight pi space minus space straight A close parentheses end fraction space equals space 1

સાબિત કરો :

increment

ABC માટે સાબિત કરો :
sin (B + C) = sin A

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