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.
Q1
(1+tan2π)(1-sinπ)(1+sinπ)=1
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Q2
2 cos2π +
2/
(1+πππ‘2π)
=2
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solutions

Q3
(sin π β cosec π) (cos π β sec π) = 1/
π‘πππ+πππ π
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solutions

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 βsin A)(sec A β cos A)= 1/
(tan π΄+cot A)
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Q8
Prove that
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Q9
Prove that
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solutions

Q10
Prove that:
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Q11
Prove that
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Q12
Prove that:
(i)
(ii)
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(i)

(ii)

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Q13
Prove that:
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Q14
Prove that:
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solutions

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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(i)

(ii)

(iii)

solutions



Q20
Prove that:
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Q21
Prove that:
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Q22
Prove that:
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