Question 4 - Solve cos x = 1/2 - Trigonometric Functions CBSE
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Question 4 - Solve cos x = 1/2 - Trigonometric Functions CBSE
Example 21Solve cos 𝑥 = 1/2Let cos x = cos y Given cos x = 1/2From (1) and (2) cos y = 1/2 cos y = cos 𝜋/3 y = 𝜋/3 RoughWe know thatcos 60° = 1/2So, 60° = 60 × π/180 = π/3 Since cos x = cos y General Solution is
Dec 16, 2024
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