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`        solve the equation tan theta + tan 2 theta + tan 3 theta = 0 `
one year ago

Sudhir Kumar
15 Points
```							Using tan3x – tan2x – tanx = tan3x . tan2x . tanx => tan2x + tan x = tan3x – tanx tan2x tan3x tanx + tan2x + tan3x = 0 => 2 tan3x –  tanx tan2x tan3x = 0 => tan3x = 0or tanx tan2x = 2 Opening tan2x = 2tanx /1 – tan2x tanx. tan2x = 2 => tan2x = 2 => tanx = ± 21/2
```
one year ago
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### Course Features

• 31 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions