How to Find values of Sin 18, cos 18, tan 18, sin 36,cos 36, Sin 54, cos 72
We will be checking how to find the values of Sin 18, cos 18, tan 18, sin 36,cos 36 degrees with the normal known values of the trigonometric ratios i.e with out the use the calculator Value of sin 18 degrees Let $A = 18$ Now, we need to convert into known common values,so $5A […]
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