AP EAMCET · Maths · Trigonometric Ratios & Identities
\(1+\cot ^2 30^{\circ}-\sec ^2 45^{\circ}=\)
- A \(\frac{1}{4}\)
- B \(\frac{1-\sqrt{3}}{2}\)
- C \(2\)
- D \(0\)
Answer & Solution
Correct Answer
(C) \(2\)
Step-by-step Solution
Detailed explanation
\(1+\cot ^2 30^{\circ}-\sec ^2 45^{\circ}=1+(\sqrt{3})^2-(\sqrt{2})^2=2\)
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