Class 11MathematicsTrigonometric FunctionsFundamental trigonometrical ratios and functions, Trigonometrical ratio of allied angles
EasyIf $a = \sin 175^{\circ} + \cos 175^{\circ}$,then
- A$a > 0$
- B$a = 0$
- C$a < 0$
- D$a = 1$
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Which of the following equations has no solution?
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