WBJEE · Maths · Trigonometric Ratios & Identities
If \(\sin \theta+\cos \theta=0\) and \(0 < \theta < \pi\), then \(\theta\)
- A 0
- B \(\frac{\pi}{4}\)
- C \(\frac{\pi}{2}\)
- D \(\frac{3 \pi}{4}\)
Answer & Solution
Correct Answer
(D) \(\frac{3 \pi}{4}\)
Step-by-step Solution
Detailed explanation
Hints: \(\sin \theta+\cos \theta=0\) \(\Rightarrow \tan \theta=-1 \quad \theta=\frac{3 \pi}{4}\)
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