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First rewrite right hand side in terms of sinθ and cosθ, because those are the terms we'll be dealing with on the left hand side: sec2θ+tan2θ = 1/cos2θ + sin2θ/cos2θ, so RHS = (1+sin2θ)/cos2θNow look at t...

x = −b ± √(b² − 4ac) / 2a
x = −20 ± √(20² − 4(3)(-500)) / 2(3)
x = (3x + 50) (x - 10)

First of all, you want to try and get rid of the brackets so the equation is easier to simplify in the next steps. So you multiply the whole bracket by 3. So it is 3x-6 = x+7. Secondly, in order to solve ...

cheap/inexpensive/low cost; grow/multiply/divide quickly; short life cycle; take up relatively little space; do not require high amounts of expertise to work with; genomes are understood well

Fräulein Else's Beziehung ihrer Mutter kann man vor allem in Else's Reaktion auf die von ihr erhaltenen Briefe erkennen.Immer wenn Else Briefe von ihrer Mutter erhält, betont sie dass sie ihre Mutter &quo...