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puteri [66]
3 years ago
9

90 POINTS WILL GIVE BRAINLIEST for which value of theta is cot theta equal to cos theta

Mathematics
2 answers:
velikii [3]3 years ago
8 0

Answer:

Step-by-step explanation:

cot \theta = cos \theta\\ \frac {cos \theta}{sin \theta} = cos \theta

An easy solution is if cos \theta = 0, or \theta = \frac \pi 2, plus or minus any number of half circles.

Angelina_Jolie [31]3 years ago
3 0

Answer:

...so cos t = cot t can only happen when cos t is 0 or sin t is 1. (But sin t = 1 only happens when cos t = 0, so cos t = 0 is enough.)  

arccos(0) is pi/2, plus or minus any multiple of pi.

Step-by-step explanation:

 

cotθ = cosθ  

cosθ/sinθ = cosθ  

sinθ = 1  

θ = π/2

pi also = to 3.14 etc.

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Answer: He needs 9 hours  to finish the task.

Step-by-step explanation:

Hi, first we have to subtract the gallons of water already in the tank (75) to the total capacity of the tank (300).

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