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This question requires selecting the correct double angle formulae.
cos(2x)=2cos^2(x)-1 is rearranged to 1/2(cos(2x)+1)
this can now be integrated with the students knowledge of standard integra...

Things don’t change themselves, they are always changed by something, for example; a marble block into a statue. In order for change to occur, the mover must be in the new state in order to change the obj...

The gods were calling the women to the temple. god = deus, dei; call = voco (1); woman = femina, feminae; to = ad + accusative; temple = templum, templi.
Dei vocabant feminas ad templum

Labienus, the legate, immediately responded to the words of the general Pompey about the battle

2x + y = 18x - y = 6. There are a few methods you can use to tackle simultaneous equations. The one I find the easiest is making one of the unknowns a subject and plugging it back into the other equ...