AP EAMCET · Maths · Trigonometric Equations
In a triangle
- A
- B
- C
- D
Answer & Solution
Correct Answer
(A)
Step-by-step Solution
Detailed explanation
We know that for ∆ABC tanA2tanB2+tanB2tanC2+tanC2tanA2=1 ....i For triangle, tanA2, tanB2, tanC2>0 Now, AM≥GM ⇒tanA2tanB2+tanB2tanC2+tanC2tanA23≥tanA2tanB2×tanB2tanC2×tanC2tanA213…
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