Question Detail

MTH 101 MTH 101 Past Questions Objective Question
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Question

Which is the correct formula for sin 2a?
Options
A 1 - cos a
B 2 sin a cos a
Correct Answer
C sin a + cos a
D sin² a - cos² a
Correct Answer

Option B is the correct answer.

Detailed Explanation

The double-angle formula for sine is sin 2a = 2 sin a cos a.

Hint

The notes indicate answer B.

Question Info

Course: MTH 101
Topic: MTH 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 136 of 696
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