Math, asked by ranaalisha6789, 6 months ago

cos 20 - sin 20 =√ 2 Sin 25

Answers

Answered by varandeepsahota

6

Step-by-step explanation:

multiply by √2 and divide by √2

now use this

sin(a-b) = sina cosb - cosa sinb

here a = 45 and b = 20

Answered by dalbahadur91

2

give me answerhhhhhhhhhhhhhhhhh

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