30° ના સાઇનમાં 60° નું કોસાઇન ઉમેરો. શું પરિણામ મળે?
A1/2
B0
C1
D3/2
Answer & Solution
Correct answer: C. 1
દરેક પદ 1/2 છે, તેથી સરવાળો 1 થાય છે.
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