Question

prove the following trigonometric problem​

Answer 1

Answer:

hey mate !

Step-by-step explanation:

(Cos³Ø+Sin³Ø)/CosØ+SinØ+(Cos³Ø-Sin³Ø)/CosØ-SinØ

=CosØ+SinØ(Cos²Ø+Sin²Ø)/CosØ+SinØ

CosØ-SinØ(Cos²Ø-Sin²Ø)/ CosØ-SinØ

=Cos²Ø+Sin²Ø + Cos²Ø-Sin²Ø

=1 + Cos²Ø-(1-Cos²Ø)

=1 + 1

=2

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