2sin π/8= √(2 + √2)

Question

​​ 2sin π/8= √(2 + √2)

ng29 · Answer

there are several values of trigonometry that are need to be learnt like 15 0 , 75 0 , 18 0 ,36 0 .22.5 0 if u dont know than u can refer some book which contains all of it i am writing some of them for u tan15 0 = 2-3 (1/2) tan 22.5 0 = 2 (1/2) -1 cos 36 0 = (1+5 (1/2) ) /4 approve if useful

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2sin π/8= √(2 + √2)

2sin π/8=√(2 + √2)

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​​ 2sin π/8= √(2 + √2)

​​2sin π/8=√(2 + √2)

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2sin π/8= √(2 + √2)

2sin π/8=√(2 + √2)