Name the quadrant in which cotθ and cosθ are negative.

Question

16-06-2016
Mathematics

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Name the quadrant in which cotθ and cosθ are negative.

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hartnn hartnn · Answer 1 · 2016-06-16T17:56:47+02:00

hartnn hartnn

16-06-2016

Recall "All Silver Tea Cups"
or All Sin Tan Cos

Quadrant 1 : All trigonometric ratios are positive.
Q2: only sin (and cosec)
Q3 : only Tan (and cot)
Q4 : only Cos (and cosec)

So, cot theta will be negative in Quadrant 2,4
and cos theta will be negative in Quadrant 2,3

In Quadrant 2, both will be negative!

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mohamedadam12349 mohamedadam12349 · Answer 2 · 2020-04-25T07:39:05+02:00

mohamedadam12349 mohamedadam12349

25-04-2020

Answer:2

Step-by-step explanation:

32(2)-16(2)^2

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