## NCERT Solutions for Class 11 Maths Chapter 3 – Trigonometric Functions Ex 3.2

#### Question 1:

Find the values of other five trigonometric functions if x lies in third quadrant.

Since x lies in the 3rd quadrant, the value of sin x will be negative.

#### Question 2:

Find the values of other five trigonometric functions if x lies in second quadrant.

Since x lies in the 2nd quadrant, the value of cos x will be negative

#### Question 3:

Find the values of other five trigonometric functions if x lies in third quadrant.

Since lies in the 3rd quadrant, the value of sec x will be negative.

#### Question 4:

Find the values of other five trigonometric functions if x lies in fourth quadrant.

Since x lies in the 4th quadrant, the value of sin x will be negative.

#### Question 5:

Find the values of other five trigonometric functions if x lies in second quadrant.

Since x lies in the 2nd quadrant, the value of sec x will be negative.
∴sec x =

#### Question 6:

Find the value of the trigonometric function sin 765°

It is known that the values of sin repeat after an interval of 2π or 360°.

#### Question 7:

Find the value of the trigonometric function cosec (–1410°)

It is known that the values of cosec repeat after an interval of 2π or 360°.

#### Question 8:

Find the value of the trigonometric function

It is known that the values of tan repeat after an interval of π or 180°.

#### Question 9:

Find the value of the trigonometric function