Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 2

EASY

9th Manipur Board

IMPORTANT

Earn 100

Express the following into circular measures: $60 ° 45''$ is of the form of $\frac{27 π}{a}$ , then $a =$

50% studentsanswered this correctly

Important Questions on Trigonometry

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 3

Express $2^{c}$ into degrees. If the answer is $\frac{p °}{π}$ , find $p$ .

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 3

Express

4 {\frac{1}{2}}^{c}

into degrees. If the answer is

\frac{p °}{π}

, find

p

.

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 3

Express

{\frac{π}{4}}^{c}

into the number of degrees

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 3

Express

\frac{3 π^{c}}{4}

into number of degrees.

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 3

Express

\frac{2}{3} π^{c}

into the number of degrees.

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 4

Find the angle between the hour hand and minute hands of a clock when it is

15

minutes past

3 a . m

. Express it in all three systems of measurement.

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 5

When the angles of a triangle are measured in the sexagesimal system their magnitudes are in the ratio

2 : 3 : 4

. Find the angle sin the radians.

EASY

9th Manipur Board

IMPORTANT

Mathematics for Class 9>Chapter 13 - Trigonometry>EXERCISE 13.1>Q 6

Find the magnitude of internal angle of regular polygon of

20

sides. Express it in degrees and radians.