Question

If Cos A + Cos²A = 1, then Sin²A + Sin^4 A =​

Answer 1

Answer:

Cos A + Cos²A = 1 ------------- Equation 1

Cos A = 1 - Cos²A

Cos A = Sin²A ------------ Equation 2

Sin²A + Sin⁴A = 0

Sin²A + ( Sin²A )² = 0

From Equation 2 ( Cos A = Sin²A )

Cos A + ( Cos A ) ² = 0

From Equation 1

Cos A + Cos²A = 1

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