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Please let me the answers these questions Solve the in which a=(√3+1),b=(√3-1),and c=60°

Please let me the answers these questions
Solve the in which a=(√3+1),b=(√3-1),and c=60°

Grade:12

1 Answers

Arun
25750 Points
5 years ago
Dear Diksha
 
 

c2 = b2 + a2 – 2ab cos C

= (√3 + 1)2 + (√3 – 1)2 – 2(√3 + 1)(√3 – 1) cos 60o

= 8 – 4. 1/2 = 6

⇒ c = √6.

 

Regards

Arun (askIITians Forum expert)

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