19. The range of the graph of y = cos x is i. j. 0 ≤ y ≤2 C. -1≤ y ≤1 d. -2 ≤ x ≤ 2 YER 20. The graph of y = cos x can be obtained by translating the graph of y = sinx T π. k. rad to the left C. 2 2 兀 1. rad to the left d. 4 4 R rad to the right rad to the right

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A: Step 1: Step 2: Step 3: Step 4:

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Q: Consider M2 (R) = {(a b): a, b, c, d in R} Find B and C in M₂(R) such that AB = AC but BC for A = =…

A: Steps and explanations are as follows:In case of any doubt, please let me know. Thank you.

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A: Steps and explanations are as follows:In case of any doubt, please let me know. Thank you.

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A: Step 1:We…

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A: Step 1: Objective and ConceptObjective:-To determine the value of c for which the matrix is not…

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