SOLUTION -: In ΔABC , 1/√3 = AB/150 AB = 86.6 m In ΔDBC, 1 = (AD+AB)/BC BC = AD + 86.6 AD = 150 - 63.4 m

## Discy Latest Questions

If (cos10°- sin10°)/((cos10°+sin10°) = cot5A , find the value of A

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## Karan123

This answer was edited.Solution -: Divide numerator and denominator by sin10° So, (cot10° -1)/(cot10°+1) = cot5A We can write LHS as (Cot10°cot45° -1)/(cot10°+cot45°) = cot5A cot(10+45) = cot5A 55° = 5A A = 11