CBSE 10th Standard Maths Subject Introduction to Trigonometry Ncert Exemplar 2 Marks Questions 2021
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CBSE 10th Standard Maths Subject Introduction to Trigonometry Ncert Exemplar 2 Marks Questions 2021
10th Standard CBSE
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Reg.No. :
Maths
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If \(\sin ^{ 2 }{ \theta } -\cos ^{ 2 }{ \theta } =2,\) find the value of \(\theta\)
(a) -
Prove that \(\sqrt { \sec ^{ 2 }{ \theta } +{ cosec }^{ 2 }\theta } =\tan { \theta } +\cot { \theta } .\)
(a) -
If cos 9 \(\alpha\) = sin \(\alpha\) and value of tan 5 \(\alpha\) is 9 \(\alpha\) < 90°, then the
(a) -
If sin \(\theta\) + 2 cos \(\theta\) = 1. prove that 2 sin \(\theta\) - cos \(\theta\) = 2.
(a) -
If 1 + sin2 \(\theta\) = 3 sin \(\theta\) cos \(\theta\), prove that \(\tan \theta=1 \text { or } \frac{1}{2}\)
(a)
2 Marks
