Question 1

In a right-angled triangle, if

\sin(	heta) = \frac{3}{5}

and the length of the hypotenuse is 10 cm, what is the length of the side opposite to angle

heta

?

Accepted Answer

6 cm

Answer

8 cm

Answer

5 cm

Answer

3 cm

Question 2

In a right-angled triangle, if

\sin(	heta) = \frac{3}{5}

and

heta

is an acute angle, what is the value of

\cos(	heta)

?

Accepted Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Answer

1

Question 3

In a right-angled triangle, if

\sin(	heta) = \frac{3}{5}

, what is the value of

heta

?

Accepted Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Question 4

Which of the following trigonometric identities expresses the relationship between sine and cosine for any angle

\sin(	heta) = \frac{3}{5}

?

Accepted Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Answer

\frac{\sqrt{2}}{2}

Question 5

In a right-angled triangle, if angle

\sin(	heta) = \frac{3}{5}

and the side adjacent to angle

heta

has a length of

\cos(	heta)

units, what is the length of the side opposite to angle

A

?

Accepted Answer

4 units

Answer

8 units

Answer

2 units

Answer

\frac{\sqrt{2}}{2}

units

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