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Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?
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Which sum or difference identity would you use to verify that cos (180° - q) = -cos q? a.) sin (a -b) = sin a cos b – cos a sin b b.) cos (a -b) = cos a cos b – sin a sin b c.) cos (a -b) = cos a cosb + sin a sin b d.) sin (a + b) = sin a cos b + cos a sin b
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Sinx /1 - cosx + sinx /1 + cosx = 2 cscx...
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