the one who answers this first will get the brainliest answer
what do you mean by :
cos theta
theta
pls
Answers
Answered by
1
Answer:
We defined cosine of theta to be the side adjacent to theta divided by the hypotenuse. And by adjacent we mean the side that's next to theta, this is the hypotenuse the long side of the right triangle and so that means x over z. The sine is defined as the side opposite theta y over Z
Hope it helps
Answered by
1
Answer:
The right triangle definitions of sine and cosine only apply to acute angles, so a more complete definition is needed. The point where the terminal side intersects the unit circle (x, y) is the basis for this definition. Since the radius (and therefore hypotenuse of the right triangle) is 1, the denominators cosine=adjacent/hypotenuse and sine=opposite/hypotenuse are also 1. Thus, the sine definition is y=sine and x=cosine
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