Grade 9Trigonometry
If sides of triangle are 7,4✓3,✓13then smallest angle is
1 Answer
Sudipto Laha
The answer will be angle opp to side 4√3 Since,sides are 7 ,4√3,√13. Now for 4√3 cosb is maximum. Cosb can be calculated by the cosine formula. For this. Cosb=a^2-b^2+c^2 upon 2ac. Ok
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