In∆ABC, ∠A =60°, ∠B =90°, ∠C =30°,AB = √3cm. AC =-----.
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Answered by
2
Step-by-step explanation:
can u tell again l can understand
Answered by
2
Answer:
Step-by-step explanation:
A =60°, ∠B =90°, ∠C =30°
Therefore ,
AC is the hypotenuse
cos A = cos 60° = =
=> By cross multiplication ,
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