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प्रश्न
Use tables to find the acute angle θ, if the value of tan θ is 0.4741
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उत्तर
From the tables, it is clear that tan 25° 18’ = 0.4727
tan θ − tan 25° 18’ = 0.4741 − 0.4727 = 0.0014
From the tables, diff of 4’ = 0.0014
Hence, θ = 25° 18’ + 4’ = 25° 22’
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