Math, asked by manikreddymandula, 5 hours ago

(i) cos 48
sin 18 - sin 48 cos 18 =
-1/2​

Answers

Answered by prajithnagasai
2

Answer:

It is wrong.

Formula:

sin(A-B) = sinAcosB - cosAsinB

Here, A = 18° B = 48°

Substitute the values

You get sin30° = 1/2 not -1/2

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