Math, asked by hansarianeil9338, 11 months ago

Sin 42° sin 48° - cos 42° cos 48?

Answers

Answered by davidmathewmojish

0

Answer:

0

Step-by-step explanation:

cos 48 . sin48 - cos 42 . sin42 sintheta =cos(90-theta)

1 - 1 = 0

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