\left. \begin array l \text (A) \\ \text (C) 90 ^ – InterviewSolution

1.

\left. \begin array l \text (A) \\ \text (C) 90 ^ \circ \end array \right.

Answer»

Option ASin theta = cos theta

It can be written as

sin theta = sin(90 - theta)

theta = 90 - theta

90 = 2 theta

theta = 45 degrees.

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