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Тригонометрические формулы

Authored by Гульнара Кусаинова

Mathematics

9th Grade

Used 54+ times

Тригонометрические формулы
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Выберите верное утверждение:

cos(-x)=cos

sin(-x)=sinx

tg(-x)=tgx

ctg(-x)=ctgx

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Продолжи формулу cos (x + y) =

cos x cos y + sin x siny

cos x sin y + sin x cos y  

cos x cos y - sin x sin y

cos x sin y - sin x cos y

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Продолжи формулу sin x cos y+cos x sin y =

cos (x + y) 

sin (x + y)  

sin (x - y)

cos (x - y)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Основное тригонометрическое тождество

cos x + sin x = 1 

cos2 x - sin2 x = 1

cos2 x + sin2 x = 1    

cos x - sin x = 1  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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