
«Тригонометриялық өрнектерді тепе-тең түрлендіру»
Authored by Гулбан Женисбек
Mathematics
9th Grade
Used 6+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Өрнектің мәнін табыңыз:
2sin2 x+2cosх2
1
2
0
-1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Өрнекі ықшамдаңыз:
tgα/(tg2α-tgα)
1
1-tgα
1+tgα
-1
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
1
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
tgα=3 болса, онда (sinα+cosα)/(sinα-cosα) табыңыз.
-1
1
2
-2
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Өрнектің мәнін табыңыз: sin690 cos390 - sin390 cos690
-1
1
1/3
1/2
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Өрнектің мәнін табыңыз:
sin100 sin500 sin700
1
1/2
1/4
1/8
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Өрнекті ықшамдаңыз:
tgα/sinα-sinα/ctgα
cos a
sin a
tg a
ctg a
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