sin-1(sin(2π/3)) + cos-1(cos(7π/6)) + tan-1(tan(3π/4)) is equal to:
sin-1(sin(2π/3)) + cos-1(cos(7π/6)) + tan-1(tan(3π/4)) is equal to:
Option 1 -
11π/12
Option 2 -
17π/12
Option 3 -
31π/12
Option 4 -
3π/4
- 
1 Answer
- 
Correct Option - 1
 
 
 Detailed Solution:sin? ¹ (√3/2) + cos? ¹ (-√3/2) + tan? ¹ (-1) 
 = π/3 + 5π/6 – π/4
 = (4π+10π–3π)/12 = 11π/12
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