eric271828
eric271828 eric271828
  • 01-02-2019
  • Mathematics
contestada

What are the triple angle formulas? Is it related to double angle identities?

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maddiekate48
maddiekate48 maddiekate48
  • 01-02-2019

Triple angle formulas are these:

Each of the six trig functions is equal to its co-function evaluated at the complementary angle. Periodicity of trig functions. Sine, cosine, secant, and cosecant have period 2π while tangent and cotangent have period π. Identities for negative angles.

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