Trigonometry :c

[dusky ivy]

Im in 10th grade and no i haven’t learned secant, pls help

[hardy elm]

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[dusky ivy]

I would post what ive done so far

But my handwriting is horrible

[modest blaze]

note that $1=(cos^{2}(x)+sin^{2}(x))^{2}=cos^{4}(x)+sin^{4}(x)+2sin^{2}(x)cos^{2}(x)$

[past topaz]

Rotor 🙂

[rocky trout]

Have you noted the expansion of (cos^2(x)+sin^2(x))?

Ah, beat me to it.

[dusky ivy]

Lol

thx guys

[dusky ivy]

+close

[pliant carbon]

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[pliant carbon]

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[dusky ivy]

+close

[pliant carbon]

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