30°, 45°, 60° li burchaklarning sinusi, kosinusi, tangensi va kotangensini hisoblash — 8-sinf Geometriya test savollari

1.sin30° + tg45° yig'indisini hisoblang.

• A)$\frac{3}{2}$
• B)1
• C)2
• D)$\frac{1}{2}$

2.cos30° × tg60° ko'paytmasini hisoblang.

• A)$\frac{3}{2}$
• B)3
• C)√3
• D)$\frac{3}{4}$

3.2sin45° - cos60° ifodaning qiymatini hisoblang.

• A)√$2-\frac{1}{2}$
• B)√2
• C)$\frac{1}{2}$
• D)2√2 - 1

4.cos45° × sin45° ko'paytmasini hisoblang.

• A)$\frac{1}{2}$
• B)√$\frac{2}{2}$
• C)1
• D)2

5.sin60° × tg30° ko'paytmasini hisoblang.

• A)$\frac{1}{2}$
• B)√$\frac{3}{2}$
• C)$\frac{3}{2}$
• D)√$\frac{3}{6}$

6.√3 × cos30° - cos60° ifodaning qiymatini hisoblang.

• A)1
• B)2
• C)$\frac{1}{2}$
• D)$\frac{3}{2}$

7.Tomoni a bo'lgan teng tomonli ABC uchburchakka BD balandlik o'tkazilganda hosil bo'lgan ABD to'g'ri burchakli uchburchakning B uchidagi burchagi nechaga teng bo'ladi?

• A)30°
• B)45°
• C)60°
• D)90°

8.sin30° qiymati nechaga teng?

• A)$\frac{1}{2}$
• B)√$\frac{3}{2}$
• C)√$\frac{2}{2}$
• D)1

9.cos60° qiymati nechaga teng?

• A)$\frac{1}{2}$
• B)√$\frac{3}{2}$
• C)√$\frac{2}{2}$
• D)1

10.tg45° qiymati nechaga teng?

• A)1
• B)√3
• C)√$\frac{3}{3}$
• D)√$\frac{2}{2}$