answer of the question 31
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Hey!!!
This is so simple......
Here pi means 180 degrees
Cos pi/12 = 180/12 =cos 15
Sin pi/12 = sin 15
Tan pi/12 = tan 15
Cot pi/12 = cot 15
=>(cos 15 - sin 15) (tan 15 +cot 15) =

:-) hope it helps......
Please mark this answer as brainleist
This is so simple......
Here pi means 180 degrees
Cos pi/12 = 180/12 =cos 15
Sin pi/12 = sin 15
Tan pi/12 = tan 15
Cot pi/12 = cot 15
=>(cos 15 - sin 15) (tan 15 +cot 15) =
:-) hope it helps......
Please mark this answer as brainleist
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