if the distance between points(x/2COS15°, 0) and (0,x/2COS75°) is 5 unit. find the value of x
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Distance= -/ (x2/4 Cos2A)+ ( x2/4 Cos2 90-A)
25 = x2/4 Cos2A + x2/4 Sin2A
25 = x2/4 ( Sin2A + Cos2A)
25 x4 = x2
x = under root ( 100)
x = 10
25 = x2/4 Cos2A + x2/4 Sin2A
25 = x2/4 ( Sin2A + Cos2A)
25 x4 = x2
x = under root ( 100)
x = 10
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