(Solved): 5. Given: \( a=8, b=5 \), and \( c=10 \), find (a) \( \alpha \), (b) \( \beta \), (c) \( \gamma \) ...
5. Given: \( a=8, b=5 \), and \( c=10 \), find (a) \( \alpha \), (b) \( \beta \), (c) \( \gamma \) (5a) (5b) (5c)
5. Given: \( a=8, b=5 \), and \( c=10 \), find (a) \( \alpha \), (b) \( \beta \), (c) \( \gamma \) (5a) (5b) (5c)
Expert Answer
5a) Given that a=8,b=5,c=10 we have by the known formula ?=cos?1[b2+c2?a22bc] ?=cos?1[52+102?822(5)(10)] ??=cos?1[61100] ??=52.41050