Free Printable Upper Secondary: Trigonometric Ratios

1.

What is the acronym for Sine ratio?

ANS: (a)

2.

What is the acronym for Cosine ratio?

ANS: (a)

3.

With respect to angle $\theta$ which is the opposite side of the right-angled triangle?

a)

AB

b)

BC

c)

AC

4.

With respect to angle $\theta$ which is the hypotenuse side of the right-angled triangle?

a)

AB

b)

BC

c)

AC

5.

The two right-angled triangles are similar.

What is the missing length?

(a)

6.

Given that the two right-angled triangles are similar, for the smaller triangle $\sin\theta=\frac{1}{2}$ . What is the trigonometric ratio of $\sin\theta$ of the larger triangle.

a)

$\frac{2}{1}$

b)

$\frac{1}{2}$

c)

$1$

d)

$2$

7.

$\sin\theta=$

a)

$\frac{AB}{BC}$

b)

$\frac{AC}{AB}$

c)

$\frac{BC}{AB}$

d)

$\frac{AC}{BC}$

8.

$\cos\theta=$

a)

$\frac{AB}{BC}$

b)

$\frac{AC}{AB}$

c)

$\frac{BC}{AB}$

d)

$\frac{AC}{BC}$

9.

$\tan\theta=$

a)

$\frac{AB}{BC}$

b)

$\frac{AC}{AB}$

c)

$\frac{BC}{AB}$

d)

$\frac{AC}{BC}$

10.

*** $\sin\left(90^o-\theta\right)=$

a)

$\frac{AB}{BC}$

b)

$\frac{AC}{AB}$

c)

$\frac{BC}{AB}$

d)

$\frac{AC}{BC}$

Upper Secondary: Trigonometric Ratios

Total questions: 10

Worksheet time: 10mins

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