Class 11MathematicsTrigonometrical Ratios, Functions and IdentitiesFundamental 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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$\operatorname{cosec} 15^{\circ} + \sec 15^{\circ}$ is equal to :
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