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Eamcet Mathematics
Trigonometry Properties of Triangles

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53 / 94

if A=30°,a=7,b=8 in ΔABC,then B has

A. One solution

B. Two solutions

C. Three solutions

D. No solution

E. None of the above

View Answer

Correct choice: B

Explanation:

Here b sinA = 8 sin 30° = 4, a = 7
Thus, we have b>a>b sinA.
Hence angle B has two solutions.

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Eamcet Mathematics Trigonometry Properties of Triangles

Eamcet Mathematics
Trigonometry Properties of Triangles