TS EAMCET · Maths · Trigonometric Ratios & Identities
If \(\tan (\pi \cos \theta)=\cot (\pi \sin \theta)\), then a value of \(\cos \left(\theta-\frac{\pi}{4}\right)\) among the following is
- A \(\frac{1}{2 \sqrt{2}}\)
- B \(\frac{1}{\sqrt{2}}\)
- C \(\frac{1}{2}\)
- D \(\frac{1}{4}\)
Answer & Solution
Correct Answer
(A) \(\frac{1}{2 \sqrt{2}}\)
Step-by-step Solution
Detailed explanation
Given, \(\tan (\pi \cos \theta)=\cot (\pi \sin \theta)\)…
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