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`        if sec theta plus tan theta =2/3, find the value of sin theta`
6 months ago

Arun
21987 Points
```							 Dear student sec x – tan x = 1/ ( sec x + tanx) = 3/2 Now add both the equations-  2 sec x = 3/2 + 2/3 = 13 /6 sec x = 13/12 cos x = 12/13 hence sin x = 5/13
```
6 months ago
Narendra Beniwal
34 Points
```							Secx + tanx = 2/3   ------1Sec2x - tan2x = 1 (Secx - tanx) (secx + tanx) = 1Secx - tanx = 3/2    -------2Adding 1 and 2 we get, Secx = 13/12 => cosx = 12/13Subtracting 2 from 1 we get, Tanx = -5/12 =>sinx/cosx = -5/12 =>sinx = -5/13
```
6 months 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