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Given that x is an acute angle and cos x=2√5÷5,find without using mathematical tables or a calculator , tan(90-x)°.​
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Given that x is an acute angle and cos x=2√5÷5,find without using mathematical tables or a calculator , tan(90-x)°.​

User SaroVin
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Answer: 2

Explanation:

Given that x is an acute angle and cos x=2√5÷5,find without using mathematical tables-example-1
User Doblak
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