Math, asked by Saniaqamar, 4 months ago

3
The value of the following expression
is

sin 40° cos 20° + cos 40° sin 20°

Answers

Answered by JaiMatadiSarthak

15

Answer:

cos40 cos20 - sin40 sin20

= cos( 40 + 20)

= cos 60

= 1/2

Step-by-step explanation:

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