Learn Maths Trigonometric function, Class 11 Maths Trigonometric function Exercise, Free Online Trigonometric function Lessons

Class 11 Maths Study Material

An Educational platform for Preparation and Practice Class 11. Kidsfront provide unique pattern of learning Maths with free online comprehensive study material in the form of QUESTION & ANSWER for each Chapter of Maths for Class 11. This study material help Class 11, Maths students in learning every aspect of Trigonometric function. Students can understand Trigonometric function concept easily and consolidate their learning by doing Online Practice Tests on Maths,Trigonometric function chapter repeatedly till they excel in Class 11, Trigonometric function. Free ONLINE PRACTICE TESTS on Class 11, Trigonometric function comprise of Hundreds of Questions on Trigonometric function, prepared by the highly professionals team. Every repeat test of Trigonometric function will have new set of questions and help students to prepare themselves for exams by doing unlimited Online Test exercise on Trigonometric function. Attempt ONLINE TEST on Class 11,Maths,Trigonometric function in Academics section after completing this Trigonometric function Question Answer Exercise.

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Trigonometric function

1° = ? and 1’ = ?

a) 60` & 60”
b) 60` & 1°
c) 60" & 60`
d) None of this

✔Answer

Correct Answer Is : 60` & 60”

Solution Is :

The angle subtended at the center by an arc of length 1 unit in a unit circle is said to have a measure of :

a) 1°
b) 1 radian
c) 1"
d) 1`

✔Answer

Correct Answer Is : 1 radian

Solution Is :

in following fig. secθis equal to

a) Hypotenuse/base
b) Hypotenuse/perpendicular
c) Base/hypotenuse
d) Perpendicular/hypotenuse

✔Answer

Correct Answer Is : Hypotenuse/base

Solution Is :

Which of the following is correct

a) 2cos x sin x = sin (x + x) – sin (x – y
b) 4sin x cos y = sin (x + y) + sin (x – y)
c) –2sin x sin y = cos (x - y) – cos (x – y)
d) 2cos x cos y = cos (x + y) + cos (x – y)

✔Answer

Correct Answer Is : 2cos x cos y = cos (x + y) + cos (x – y)

Solution Is :

Cosx.cos2x.cos2^2x.cos2^3x.....cos2ⁿ-1=

a) Sin2ⁿx/(2ⁿ. cosx)
b) Tan2ⁿx/(2ⁿ. tanx)
c) Sin2ⁿx/(2ⁿ. sinx)
d) None of this

✔Answer

Correct Answer Is : Sin2ⁿx/(2ⁿ. sinx)

Solution Is :

If tan?=tan? , then the general solution of the equation is

a) X=nπ-?
b) X=nπ+x
c) X=nπ+?
d) None of this

✔Answer

Correct Answer Is : X=nπ+?

Solution Is :

Cot(x – y)=

a) Cot x cot y+1 / cot y-cot x
b) Cot y-cot x / 1+cot x cot y
c) Cot x cot y / cot y-cot x
d) Cot y+cot x / 1+cot x cot y

✔Answer

Correct Answer Is : Cot x cot y+1 / cot y-cot x

Solution Is :

Which of the following is correct

a) Cos(2π– x) = cos x
b) Sin(2π– x) = sin x
c) Cos(2nπ+ x) = sin x
d) Sin(2nπ+ x) = sin y

✔Answer

Correct Answer Is : Cos(2π– x) = cos x

Solution Is :

A wire of length 50 cm is bent to form an arc of a circle with radius 20 cm. Find in radians the angle subtended at the center.

a) 2.5 radian
b) 3.5 radian
c) 5.2 radian
d) None of this

✔Answer

Correct Answer Is : 2.5 radian

Solution Is :

Sin4x=?

a) 2sin2xcos2x
b) 2sin2xsin2x
c) 4sin2xcos2x
d) 2cos2xcos2x

✔Answer

Correct Answer Is : 2sin2xcos2x

Solution Is :

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Class 11 Maths Study Material

Trigonometric function

1° = ? and 1’ = ?

Correct Answer Is : 60` & 60”

Solution Is :

The angle subtended at the center by an arc of length 1 unit in a unit circle is said to have a measure of :

Correct Answer Is : 1 radian

Solution Is :

in following fig. secθis equal to

Correct Answer Is : Hypotenuse/base

Solution Is :

Which of the following is correct

Correct Answer Is : 2cos x cos y = cos (x + y) + cos (x – y)

Solution Is :

Cosx.cos2x.cos2^2x.cos2^3x.....cos2n-1=

Correct Answer Is : Sin2nx/(2n. sinx)

Solution Is :

If tan?=tan? , then the general solution of the equation is

Correct Answer Is : X=nπ+?

Solution Is :

Cot(x – y)=

Correct Answer Is : Cot x cot y+1 / cot y-cot x

Solution Is :

Which of the following is correct

Correct Answer Is : Cos(2π– x) = cos x

Solution Is :

A wire of length 50 cm is bent to form an arc of a circle with radius 20 cm. Find in radians the angle subtended at the center.

Correct Answer Is : 2.5 radian

Solution Is :

Sin4x=?

Correct Answer Is : 2sin2xcos2x

Solution Is :

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Cosx.cos2x.cos2^2x.cos2^3x.....cos2ⁿ-1=

Correct Answer Is : Sin2ⁿx/(2ⁿ. sinx)