allery30°-এর sine-এর সাথে 60°-এর cosine যোগ করলে ফলাফল কী হবে?
A1/2
B0
C1
D3/2
Answer & Solution
Correct answer: C. 1
প্রতিটি পদের মান 1/2, তাই যোগফল হলো 1।
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