TS EAMCET · Maths · Trigonometric Equations
If \(\sin x \cdot \cosh y=\cos \theta\) and \(\cos x \cdot \sinh y=\sin \theta\) then \(\sin ^2 x\) \(+\cosh ^2 y=\)
- A 1
- B 2
- C \(\frac{3}{2}\)
- D \(\frac{1}{2}\)
Answer & Solution
Correct Answer
(B) 2
Step-by-step Solution
Detailed explanation
\(\sin x \cdot \cos h y=\cos \theta\) ...(i) \(\cos x \cdot \sin h y=\sin \theta\) ...(ii)…
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