The value of (sin 30° + cos 30°) – (sin 60°+ cos 60°) is
(A) – 1
(B) 0
(C) 1
(D) 2
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NCERT Exemplar - MCQ
Last updated at March 22, 2023 by Teachoo
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Question 1 The value of (sin 30° + cos 30°) – (sin 60°+ cos 60°) is (A) – 1 (B) 0 (C) 1 (D) 2 Now, (sin 30° + cos 30°) – (sin 60°+ cos 60°) = (𝟏/𝟐+√𝟑/𝟐)−(√𝟑/𝟐+𝟏/𝟐) = 1/2−1/2+√3/2−√3/2 = 0 So, the correct answer is (B)