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Question
sin (60° + θ) – cos (30° – θ) = ?
Options
2 sin θ
2 cos θ
0
1
MCQ
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Solution
0
Explanation:
Given expression = cos{90° – (60° + θ)} – cos(30° – θ)
= {cos(30° – θ) – cos(30° – θ)}
= 0
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