CBSEArts (English Medium) Class 11
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Syllabus

Prove that (Cos 4x + Cos 3x + Cos 2x)/(Sin 4x + Sin 3x + Sin 2x) = Cot 3x - Mathematics

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Prove that `(cos 4x + cos 3x + cos 2x)/(sin 4x + sin 3x + sin 2x) = cot 3x`

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Solution

Concept: Trigonometric Functions of Sum and Difference of Two Angles
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Q 21
Chapter 3: Trigonometric Functions - Exercise 3.3 [Page 73]

APPEARS IN

NCERT Class 11 Mathematics
Chapter 3 Trigonometric Functions
Exercise 3.3 | Q 21 | Page 73

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