Forum - Trigonometry

I need help

Pop
Visitor
2015-10-25 18:38:26
#1
Please, I nee d help with this:

1. Calculate: sin3π/8 x sin7π/24



2. Please show this: 1/2sin100 - 2xsin700=1

 

RE: I need help

Gmkl
Visitor
2015-10-28 10:47:59
#2
Are you sure that this is corect written?
 
 

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