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Trigonometrical identities and trigonometrical functions Revision for JEE

28+ syllabus-aligned questions available

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Revise Trigonometrical identities and trigonometrical functions by covering every subtopic once, drilling formulas, then solving 28+ timed MCQs with full solutions.

Use this Trigonometrical identities and trigonometrical functions revision checklist before mocks and the final exam. Reinforce concepts with 28+ syllabus-aligned MCQs on Goodmarks.

Revision checklist

  1. 1.Core idea: Trigonometrical identities and trigonometrical functions
  2. 2.Relates to other subtopics in Trigonometry
  3. 3.Trigonometric identities
  4. 4.Inverse trig functions and properties
  5. 5.Master Trigonometrical identities and trigonometrical functions definitions and standard results
  6. 6.Solve 20 timed MCQs for Trigonometrical identities and trigonometrical functions

Syllabus context

Part of Trigonometry in JEE Main Mathematics.

Free sample questions

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Q1MathsUnit 14: Trigonometry
A=cos⁡200cos⁡400cos⁡600cos⁡800\mathbf{A}=\cos 20^{0} \cos 40^{0} \cos 60^{0} \cos 80^{0} B=cos⁡60cos⁡420cos⁡660cos⁡780\mathbf{B}=\cos 6^{0} \cos 42^{0} \cos 66^{0} \cos 78^{0} C=cos⁡360cos⁡720cos⁡1080cos⁡1440\mathbf{C}=\cos \mathbf{3} \mathbf{6}^{\mathbf{0}} \cos \mathbf{7} \mathbf{2}^{\mathbf{0}} \cos \mathbf{1 0} \mathbf{8}^{\mathbf{0}} \cos \mathbf{1} \mathbf{4} \mathbf{4}^{\mathbf{0}}
Q2MathsUnit 14: Trigonometry
The measures of the angles of a triangle are in the ratio 4:5:9.4: 5: 9 . The triangle is:
Q3MathsUnit 14: Trigonometry
ln⁡ΔABC,BC=AB\ln \Delta A B C, B C=A B and ∠B=80∘\angle B=80^{\circ} Then ∠A\angle A is equal to
Q4MathsUnit 14: Trigonometry
Two line segments ABA B and ACA C include an angle of 60060^{0} where AB=5cmA B=5 \mathrm{cm} and ACA C =7cm.=7 \mathrm{cm} . Locate points P\mathrm{P} and Q\mathrm{Q} on AB\mathrm{AB} and AC,A C, respectively such that AP=34A P=\frac{3}{4} ABA B and AQ=14AC.A Q=\frac{1}{4} A C . Join PP and QQ and measure the length PQ.
Q5MathsUnit 14: Trigonometry
The terminal arm is in II quadrant, what are the measures of possible angles?
Q6MathsUnit 14: Trigonometry
If 1−sin⁡A1+sin⁡A+sin⁡Acos⁡A=1cos⁡A,\sqrt{\frac{1-\sin A}{1+\sin A}}+\frac{\sin A}{\cos A}=\frac{1}{\cos A}, for all permissible values of A,A, then AA belongs to This question has multiple correct options
Q7MathsUnit 14: Trigonometry
What is the length of arc AB making angle of 1260126^{0} at center of radius 8?8 ?
Q8MathsUnit 14: Trigonometry
An angle which is equal to 360∘360^{\circ} is called 一一一一一一一 _{\text {一一一一一一一 }} angle.

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How should I revise Trigonometrical identities and trigonometrical functions before JEE?

Follow the checklist on this page, revise formulas daily, and attempt mixed MCQs every 2–3 days.

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