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प्रश्न
Find the value of 'x' in each of the following:
उत्तर
From the figure, we have
cos x = `"AB"/"AC"`
⇒ cos x = `(12)/(24)`
⇒ cos x = `(1)/(2)`
⇒ cos x = cos60°
⇒ x = 60°.
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