if cos2 theta equal to 4 by 5 then sin square theta equal to?
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The value of sin2 teta is 3/5
Step-by-step explanation:
cos2 teta is 4/5 = b^2/h^2 and then use formulae p=root h^2 - b^2 then you p will come and you can put value in sin2 teta = p/h = 3/5
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I hope this will help you
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