Math, asked by adi082006, 6 months ago

cos 2π/15 .cos 4π/15.cos 8π/15. cos 16π/15=1/16.If you know then answer....Or else ....

Answers

Answered by sathyamargerate0410

3

Answer:

hope it helps......

Step-by-step explanation:

Formula used

sin2A=2sinAcosA
cos(π+A)= -cosA
sin(π+A)= -sinA

pls mark as branliest

Thanks for the 13 point question

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