AP EAMCET · Maths · Trigonometric Ratios & Identities
If \(\mathrm{P}=\tan 15^{\circ}+\cot 15^{\circ}, \mathrm{Q}=\tan 22 \frac{1^{\circ}}{2}+\cot 22 \frac{1}{2}_2^{\circ}\) and \(\mathrm{R}=\sin 54^{\circ}+\sin 18^{\circ}\), then their ascending order is
- A \(\mathrm{P}, \mathrm{Q}, \mathrm{R}\)
- B \(\mathrm{P}, \mathrm{R}, \mathrm{Q}\)
- C \(\mathrm{R}, \mathrm{Q}, \mathrm{P}\)
- D \(\mathrm{R}, \mathrm{P}, \mathrm{Q}\)
Answer & Solution
Correct Answer
(C) \(\mathrm{R}, \mathrm{Q}, \mathrm{P}\)
Step-by-step Solution
Detailed explanation
Given, \(P=\tan 15^{\circ}+\cot 15^{\circ}, Q=\tan 22 \frac{1^{\circ}}{2}+\cot 22 \frac{1^{\circ}}{2}\) and \(R=\sin 54^{\circ}+\sin 18^{\circ}\) Now…
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