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Earn +20 ptsQ: What is cosine to the negative first power?
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Continue Learning about Algebra
Which angle has a negative sine and a positive cosine?
All the angles in 4th quadrant have positive cosine and negative sine e.g. 280,290,300,310...etc.
Why does cos negative theta equal cos postitive theta?
The cosine is simply the x-coordinate of the unitary circle. It helps to draw the circle, and the sine and cosine (x and y coordinates), to visualize this. The y-coordinate is the same for a positive angle and for the corresponding negative angle.
What is 3 to the negative first power?
(3)-1 = 1/3
What is one half to the negative first power?
One half to the negative first power is equal to the reciprocal of one half raised to the first power. The reciprocal of one half is two, so (1/2)^(-1) = 1 / (1/2) = 1 * 2 = 2.
What is Ten to the negative first power?
10-1 is 0.1 or 1/10
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