# pre-calculus

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Convert from polar to rectangular r=3cos2theta

• pre-calculus -

x= r cosTheta=3cos(2Theta)cosTheta
y= r sin Theta=3cos(2Theta)sinTheta

• pre-calculus -

r=3cos2theta

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Advanced Math: precal, trig identities, conversion

• pre-calculus -

Identities r everywhere!!! :/, thank you 4 the info appreciated

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