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Subjects
Mathematics CBSE
Class 10
Introduction to Trigonometry
Textbook Questions
24.
Exercise problems XVII
Exercise condition:
2
m.
Choose the correct option and justify your choice:
1.
\(sin \ 2A = 2 \ sin \ A\) is true when \(A =\)
0°
45°
60°
30°
2.
\(\frac{2 \ tan \ 30^{\circ}}{1 - tan^2 \ 30^{\circ}} =\)
sin 30°
tan 60°
cos 60°
sin 60°
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