Ашық сабақ-9

Authored by Зухра Зухра

Mathematics

9th - 12th Grade

Used 2+ times

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FILL IN THE BLANKS QUESTION

45 sec • 1 pt

$\frac{\sin2a}{2\cos a}$ есепте

(a)

MULTIPLE CHOICE QUESTION

1 min • 1 pt

$\cos2a+\sin^2\ a$ ықшамда

$\cos^2a$

$\sin^2a$

$0$

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

$\frac{2tg15^{\degree}}{1-tg^215\degree}$ есепте

$\frac{\sqrt[]{3}}{3}$

$\frac{1}{2}$

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

cos²a-sin²a

cos2a

tg2a

sin2a

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$2\cdot\sin\frac{a}{2}\cdot\cos\frac{a}{2}$ жауабын тап

sina

cosa

tga

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

$\frac{\operatorname{ctg}^22a-1}{2\operatorname{ctg}2a}$ мәнін есепте.

ctg4a

sin4a

tg4a

cos4a

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

$\frac{1+\cos2a}{2}$ қайсы өрнектің формуласы

sin²a

cos²a

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Ашық сабақ-9

sin⁡2a2cos⁡a\frac{\sin2a}{2\cos a}2cosasin2a​ есепте (a)

cos⁡2a+sin⁡2 a\cos2a+\sin^2\ acos2a+sin2 a ықшамда

2tg15°1−tg215°\frac{2tg15^{\degree}}{1-tg^215\degree}1−tg215°2tg15°​ есепте

cos²a-sin²a

2⋅sin⁡a2⋅cos⁡a22\cdot\sin\frac{a}{2}\cdot\cos\frac{a}{2}2⋅sin2a​⋅cos2a​ жауабын тап

ctg⁡22a−12ctg⁡2a\frac{\operatorname{ctg}^22a-1}{2\operatorname{ctg}2a}2ctg2actg22a−1​ мәнін есепте.

1+cos⁡2a2\frac{1+\cos2a}{2}21+cos2a​ қайсы өрнектің формуласы

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$\frac{\sin2a}{2\cos a}$ есепте

(a)

$\cos2a+\sin^2\ a$ ықшамда

$\frac{2tg15^{\degree}}{1-tg^215\degree}$ есепте

$2\cdot\sin\frac{a}{2}\cdot\cos\frac{a}{2}$ жауабын тап

$\frac{\operatorname{ctg}^22a-1}{2\operatorname{ctg}2a}$ мәнін есепте.

$\frac{1+\cos2a}{2}$ қайсы өрнектің формуласы