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  • 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.


Unique pattern

  • Topic wise:Trigonometric function preparation in the form of QUESTION & ANSWER.
  • Evaluate preparation by doing ONLINE TEST of Class 11, Maths,Trigonometric function.
  • Review performance in PRACTICE TEST and do further learning on weak areas.
  • Attempt repeat ONLINE TESTS of Maths Trigonometric function till you excel.
  • Evaluate your progress by doing ONLINE MOCK TEST of Class 11, Maths, All TOPICS.


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 :