Cho tam giác abc có góc b=60 độ cạnh b= 4cm cạnh c=5cm . tính độ dài cạnh a
1 answer:
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The values are and
Explanation:
The expression is
Simplifying, we get,
Since, both sides of the expression are equal, we can equate the corresponding values of A, B, C and D.
Thus, we get,
⇒
and
Also, equating, , we get,
and
Thus, the values are and
