+0  
 
+1
68
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avatar+101 

Assuming that sin Ø= Ø – k Ø 3, where k is a numerical constant, is a sufficient approximation to the value of sin Ø when Ø is a small angle, use the formula: Sin 3Ø = 3 sinØ - 4 sin3 Ø to show that k= 1/6. (This result gives, of course gives a better approximation than sin Ø = Ø)

 Jan 22, 2019
 #1
avatar+27480 
+5

Like so:

 

.

 Jan 22, 2019
 #2
avatar+101 
+1

Great job Alan ! Thanks...so helpful

 Jan 23, 2019

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