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3 years ago

Is the function cot t positive or negative in Quadrant II?

2 answers:

6 0

Cotangent and Tangent in the Second Quadrant are negative

Only can find cot and tan positive in the First and Third Quadrant

artcher [175]3 years ago

4 0

Graph is divided into four quadrants .The axes of a two-dimensional Cartesian system divide the plane into four infinite regions, called quadrants, each bounded by two half-axes . These are often numbered from 1st to 4th and denoted by Roman numerals

The question is asking us to find the sign of cot in quadrant II.

In quadrant II the Trigonometry functions sine and cosecant are positive other that is cos ,tan ,secant and cot are negative.

The function cot is negative in Quadrant II.

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Which equation is equivalent to the given equation? x^2+16x=22

Vaselesa [24]

Answer:answer is a (x+8)^2=86

Step-by-step explanation:

x+8=±√

86

2 Break down the problem into these 2 equations.

x+8=\sqrt{86}x+8=√

86

x+8=-\sqrt{86}x+8=−√

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3 Solve the 1st equation: x+8=\sqrt{86}x+8=√

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x=\sqrt{86}-8x=√

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4 Solve the 2nd equation: x+8=-\sqrt{86}x+8=−√

86

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x=-\sqrt{86}-8x=−√

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 −8

5 Collect all solutions.

x=\sqrt{86}-8,-\sqrt{86}-8x=√

86

 −8,−√

86

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2 Use the Quadratic Formula.

x=\frac{-16+2\sqrt{86}}{2},\frac{-16-2\sqrt{86}}{2}x=

−16+2√

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 ,

−16−2√

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3 Simplify solutions.

x=-8+\sqrt{86},-8-\sqrt{86}x=−8+√

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027R2
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