What is the parity f(α)=sec^4(α)-2tan^2(α)-tan^4(α) ?

The parity f(α)=sec^4(α)-2tan^2(α)-tan^4(α) is Even

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parity f(α)=sec^4(α)-2tan^2(α)-tan^4(α)

parity

f (α) = sec^{4} (α) - 2 tan^{2} (α) - tan^{4} (α)

Even

Solution steps

f (- x) : sec^{4} (α) - 2 tan^{2} (α) - tan^{4} (α)

- f (x) : - sec^{4} (α) + 2 tan^{2} (α) + tan^{4} (α)

Check parity of

sec^{4} (α) - 2 tan^{2} (α) - tan^{4} (α)

Check if Even:

True

Check if Odd:

False

Even

f (θ) = 1 + 2 sin (θ)

f (x) = x + 8 - x

y = 3 x^{2} + 6 x - 10

f (x) = ln (2.1 x + 3.5) - 4.7

y = 4 x^{2} lo g_{10} (6 x^{3})

What is the parity f(α)=sec^4(α)-2tan^2(α)-tan^4(α) ?
The parity f(α)=sec^4(α)-2tan^2(α)-tan^4(α) is Even