ІІ бетінде “Тарихи мағлұматтар және әзіл- сұрақтар”
Тригонометрияның шығу тарихы атты жобаны қорғау.тригонометрияның ғылымға енуі және қазақша баламасы (4-слайд)
.Әзіл-сұрақтар: Жыл он екі айдың ішінде 30 және 31 сандары ауысып отырады. Ал 28 саны қай айда кездеседі?
2-парақ. «тригонометрия-математикалық маңызды ұғымдардың бірі!»
І бетінде “Сиқырлы кестенің сыры” сөз жұмбақты шеше отырып, жаңа сабақтың тақырыбын табамыз.
Екі айнымалысы бар теңдеу. [Сызықтық].
Тәуелсіз айнымалыны белгілейтін латын алфавиті. [Икс].
Арифметикалық амал [бөлу].
Жаңа сабақ тақырыбы. [қосу формуласы].
Жауабы: 28 саны барлық айда бар.
ІІ бетінде . Жаңа сабақ
Қосу формулаларын пайдаланып тригонометриялық функцияларды өрнектеуге болады.
Анықтама: Екі бұрштың қосындысы мен айырымының тригонометриялық функцияларын сол бұрыштардың тригонометриялық функциялары арқылы өрнектейтін формулаларды қосу формулалары деп атайды.(оқушылардың өздеріне оқытып талдату)
1 формуланы талдау.
R=OA. В(х1,у1) . С (х2,у2).
ОВ(х1,у1) . ОС (х2,у2)
ОВ*ОС= х1* х2+,у1у2.
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) Екі бұрыштың айырымының косинусы осы бұрыштардың косинустарының көбейтіндісі мен синустарының көбейтіндісінің қосындысына тең.
2 формуланы талдау.
Екі бұрыштың қосындысының косинусы осы бұрыштардың косинустарының көбейтіндісіне және синустарының көбейтіндісінің айырымына тең.
3 формуланы талдау.
4 формуланы талдау.
5-12 формуланы талдау.
Тарих сыр шертеді: тригонометрияның қазақша баламасы (6-слайд)
«тригонометрия» - грекше сөз, ол қазақша «сызылған» деген мағынаны білдіреді.
3-парақ: «оқулықпенжұмыс».
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