Cos 4x cos2x ex 6x prove chapter sin2 trigonometric class function cos4 concepts functions teachoo The illustration below shows the graph of yyy as a function of xxx Factorise x^2+6√6x+48 solve with process
Ex 3.3, 25 - Prove cos 6x = 32 cos6 x - 48 cos4 x + 18 cos2x
Factorise solve 6x process answer brainliest helps hope mark please
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Sentences explanation yyy .
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