Question
(35.09 × 4.98 + 512.12 ÷ 31.82)
=? What approximate value will come in place of the question mark (?) in the following question?(Note: You are not expected to calculate the exact value.)Solution
ATQ, (35.09 × 4.98 + 512.12 ÷ 31.82) =? (35 × 5 + 512 ÷ 32) ~ ? (175 + 16) ~ ? ? ~ 191
The minimum value of 25 sin2 θ + 16 cos2 θ is
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