AP EAMCET · Maths · Trigonometric Equations
If \(\alpha, \beta\) and \(\gamma\) are angles that satisfy the following conditions, find the value of \(x y z\).
1. \(\tan (\alpha)+\tan (\beta)+\tan (\gamma)\)
\(=\tan (\alpha) \cdot \tan (\beta) \cdot \tan (\gamma)\)
2. \(x=\cos (\alpha)+i \sin (\alpha)\)
3. \(y=\cos (\boldsymbol{\beta})+i \sin (\boldsymbol{\beta})\)
4. \(z=\cos (\gamma)+i \sin (\gamma)\)
- A 1, but not -1
- B -1, but not 1
- C \pm 1
- D 0
Answer & Solution
Correct Answer
(C) \pm 1
Step-by-step Solution
Detailed explanation
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