CBSE Class 10 Sample Paper for 2020 Boards - Maths Standard

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Question 7 - CBSE Class 10 Sample Paper for 2020 Boards - Maths Standard - Solutions of Sample Papers for Class 10 Boards

Last updated at August 14, 2026 by

Given that sin α = √3/2 and cos β = 0, then the value of β − α is

(a) 0              (b) 90°           (c) 60°           (d) 30°

Given that sin α = √3/2 and cos β = 0, then the value of β - α is

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Transcript

Question 7 Given that sin 𝛼 = √3/2 and cos 𝛽 = 0, then the value of 𝛽 − 𝛼 is (a) 0 (b) 90° (c) 60° (d) 30° Given sin 𝛼 = √3/2 So, 𝛼 = 60° cos 𝛽 = 0 So, 𝛽 = 90° Now, 𝛽 − 𝛼 = 90° – 60° = 30° So, (d) is the correct answer

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