Class 10 CBSE Introduction to Trigonometry Important Questions

Here we provide Class 10 Maths important notes,board questions and predicted questions with Answers for chapter Trigonometrical Identities. These important notes,board questions and predicted questions are based on CBSE board curriculum and correspond to the most recent Class 10 Maths syllabus. By practising these Class 10 materials, students will be able to quickly review all of the ideas covered in the chapter and prepare for the Class 10 Board examinations.

Introduction to Trigonometry Important Questions

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Board Questions
Important Questions





Trigonometrical Identities Important Questions
Q1 (1+tan2πœƒ)(1-sinπœƒ)(1+sinπœƒ)=1

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Q2 2 cos2πœƒ + 2/ (1+π‘π‘œπ‘‘2πœƒ) =2

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Q3 (sin πœƒ – cosec πœƒ) (cos πœƒ – sec πœƒ) = 1/ π‘‘π‘Žπ‘›πœƒ+π‘π‘œπ‘ πœƒ

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Q4 Prove that :


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Q5 Prove that :


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Q6 Prove that :

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Q7 Prove that : (cosec A –sin A)(sec A – cos A)= 1/ (tan 𝐴+cot A)

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Q8 Prove that

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Q9 Prove that



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Q10 Prove that:

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Q11 Prove that


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Q12 Prove that:

(i)

(ii)

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Q13 Prove that:



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Q14 Prove that:



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Q15 Prove that:



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Q16 Prove that:



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Q17 Prove that:



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Q18 Prove that:



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Q19 Prove that:

(i)


(ii)


(iii)


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Q20 Prove that:



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Q21 Prove that:



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Q22 Prove that:



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