Yefim S. answered • 03/30/21
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Using formulas from product to sum:
sin52.5°sin7.5° = 1/2(cos45° - cos60°) = (√2 - 1)/4
Lance R.
asked • 03/30/21find the exact and simplified value of sin(52.5deg) x sin(7.5deg)
an example answer would be (root(3)-7)/2
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