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CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard

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Question 13 - CBSE Class 10 Sample Paper for 2021 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at Oct. 23, 2020 by

If x = 2 sin 2 πœƒΒ  and y = 2cos 2 πœƒ + 1, then find x + y

If x = 2 sin^2 ΞΈ and y = 2 cos^2 ΞΈ + 1, then find x + y - Teachoo

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Question 13 If x = 2 sin2πœƒ and y = 2cos2πœƒ + 1, then find x + yNow, x + y = 2 sin2πœƒ + 2 cos2πœƒ + 1 = 2 (sin2πœƒ + cos2πœƒ) + 1 Putting sin2πœƒ + cos2πœƒ = 1 = 2 Γ— 1 + 1 = 2 + 1 = 3

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