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Grade: 12
        
Solve the triangle in which a=(√3+1),b=(√3-1)and angle c=60°
 
10 months ago

Answers : (1)

Arun
22545 Points
							

 

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.

10 months ago
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