Free Printable Q4_QUIZ#1_TRIGONOMETRIC RATIOS

1.

Find the value of each of the following using a scientific calculator or trigonometric Table in four decimal places.

cos 50°

a)

0.6428

b)

0.6482

c)

0.6426

2.

Find the value of each of the following using a scientific calculator or trigonometric Table in four decimal places.

Sin 75°

a)

0.9659

b)

0.9695

c)

0.6959

3.

Find the value of each of the following using a scientific calculator or trigonometric Table in four decimal places.

tan 65°

a)

2.1445

b)

2.1446

c)

2.1454

4.

Find the value of each of the following using a scientific calculator or trigonometric Table in four decimal places.

cos 36° 30′

a)

0.8039

b)

0.8037

c)

0.8093

5.

Find the value of each of the following using a scientific calculator or trigonometric Table in four decimal places.

sin 70° 40′

a)

0.9436

b)

0.9463

c)

0.9346

6.

Find the value of A in each of the following. (in the nearest minute).

sin A = 0.4426

a)

$26\degree\ 16'$

b)

$26\degree\ 17'$

7.

Find the value of A in each of the following. (in the nearest minute).

Tan A = 1.1918

a)

$50\degree\$

b)

$50\degree\ 1'$

8.

Find the value of A in each of the following. (in the nearest minute).

cos A= 0.7826

a)

$38\degree\ 30'\$

b)

$38\degree\ 31'$

9.

Find the value of A in each of the following. (in the nearest minute).

sin A= 0.9858

a)

$80\degree\ 20'\$

b)

$80\degree\ 19'$

10.

Find the value of A in each of the following. (in the nearest minute).

tan A = 0.5774

a)

$30\degree\$

b)

$30\degree\ 1'$

Q4_QUIZ#1_TRIGONOMETRIC RATIOS_1

Total questions: 10

Worksheet time: 3hrs 30mins

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