If 0 ≤ x ≤ π/2 what is the maximum value of cos (x/3)?
Solution
Correct Answer: Option A
এখানে, 0 ≤ x ≤ π/2
এখন, x = 0 হলে
cos(x/3)
= cos(0/3)
= cos0
=1
এটি সর্বোচ্চ মান।
এখন, x = 0 হলে
cos(x/3)
= cos(0/3)
= cos0
=1
এটি সর্বোচ্চ মান।
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