If sin 18 = ( 5 - 1)/4, find the value of cos 36 and sin 72 - Maths -

Question

If sin 18? = (?5 - 1)/4, find the value of cos 36? and sin 72?

Aakash Paran Baishya · Accepted Answer

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If sin 18? = (?5 - 1)/4, find the value of cos 36? and sin 72?. If sin 18? = (?5 - 1)/4, find the value of cos 36? and sin 72?. 51) If it is given that sin180 = find the value of cos360 and sin720. 4

If sin 18? = (?5 - 1)/4, find the value of cos 36? and sin 72?.

If sin 18? = (?5 - 1)/4, find the value of cos 36? and sin 72?. 51) If it is given that sin180 = find the value of cos360 and sin720. 4