TS EAMCET · Maths · Trigonometric Ratios & Identities
If \(\cos \theta=\frac{-3}{5}\) and \(\pi < \theta < \frac{3 \pi}{2}\), then \(\tan \frac{\theta}{2}+\sin \frac{\theta}{2}+2 \cos \frac{\theta}{2}=\)
- A \(-1\)
- B \(1\)
- C \(-2\)
- D \(2\)
Answer & Solution
Correct Answer
(C) \(-2\)
Step-by-step Solution
Detailed explanation
\(\cos \theta=\frac{-3}{5}\)…
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