allery30° ର ସାଇନ୍ (sine) ସହିତ 60° ର କୋସାଇନ୍ (cosine) ଯୋଗ କରନ୍ତୁ। ଫଳାଫଳ କ’ଣ ହେବ?
A1/2
B0
C1
D3/2
Answer & Solution
Correct answer: C. 1
ପ୍ରତ୍ୟେକ ପଦ 1/2 ଅଟେ, ତେଣୁ ଯୋଗଫଳ 1 ହେବ।
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