Class 11

1. Basic Maths question bank (Physics)

Practice 309 free Class 11 Physics - 1. Basic Maths questions with answers and step-by-step solutions.

Q1.

\(
\frac{\sin A + \sin 5A + \sin 9A}{\cos A + \cos 5A + \cos 9A} =
\)

(A)
\(\tan 2A\)
(B)
\(\tan 3A\)
(C)
\(\tan 4A\)
(D)
\(\tan 5A\)
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Q2.

\(
\frac{\sin 2\theta}{1 + \cos 2\theta} =
\)

(A)
\(\sin \theta\)
(B)
\(\cos \theta\)
(C)
\(\tan \theta\)
(D)
\(\cot \theta\)
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