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Explain why cos E
-
СВ/AB

User Jkiiski
by
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1 Answer

3 votes

Answer:

Note that the three identities above all involve squaring and the number 1.You can see the Pythagorean-Theorom relationship clearly if you consider the unit circle, where the angle is t, the "opposite" side is sin(t) = y, the "adjacent" side is cos(t) = x, and the hypotenuse is 1.. We have additional identities related to the functional status of the trig ratios:

Explanation:

User Amy Worrall
by
6.8k points
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