Math, asked by chalaklingoji6, 10 months ago

cos 12° - sin 78° =
(B)
1
(A) 0
(C) -1
(D)
None of these

Answers

Answered by sindhu1258

0

Answer:

(A) 0

cos12 - sin78

Cos12 -sin(90-12)

cos12 - Cos12. (sin(90-A) =cos A)

0

Answered by vijayaabhis

0

This the correct answer of this

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