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3 years ago

PLS HELP DO NOT TRIY THE FAKE I CANT UPLOAD STUFF

Mathematics

1 answer:

Shtirlitz [24]3 years ago

6 0

Answer:

By solving this equation for the variable ' d ', you learn how many days after you fill the tank you'll have to send somebody back to fill it again.

Step-by-step explanation:

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Cos (90-theta) • cosec90-theta) =tano. How?

denis-greek [22]

Answer:

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TRIGONOMETRY IDENTITIES TO BE USED IN THE QUESTION :-

For any right angled triangle with one angle α ,

$\cos (90 - \alpha ) = \sin \alpha$ or $\sin(90 - \alpha ) = \cos\alpha$

$cosec \: (90 - \alpha ) = \sec\alpha$ or $\sec(90 - \alpha ) = cosec\:\alpha$

SOME GENERAL TRIGNOMETRIC FORMULAS :-

$\sin \alpha = \frac{1}{cosec \: \alpha }$ or $cosec \: \alpha = \frac{1}{\sin \alpha }$

$\cos \alpha = \frac{1}{\sec \alpha }$ or $\sec \alpha = \frac{1}{\cos \alpha }$

______________________________________________________

Now , lets come to the question.

In a right angled triangle , let one angle be α (in place of theta) .

So , lets solve L.H.S.

$\cos (90 - \alpha ) \times cosec(90 - \alpha )$

$=> sin\alpha \times \sec\alpha$

$=> \sin\alpha \times \frac{1}{\cos\alpha }$

$=> \frac{\sin\alpha }{\cos\alpha }$

$=> \tan\alpha$ = R.H.S.

∴ L.H.S. = R.H.S. (Proved)

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3 years ago

Math i need help x-2y=1

arlik [135]

Answer:

Yo im taking the same thing tell me what answer you get because i eed it to.

Step-by-step explanation:

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3 years ago

What is the equivalent of pi over 3 radians in degrees?

zalisa [80]

60 degrees is the answer

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What is the discriminant of the polynomial below 9x^2-18x+9?

harkovskaia [24]

(3x-3 )(3x-3 ) is answee

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3 years ago

Can you please help me, this quiz is timed: 2^3 + 3^3 =

Step2247 [10]

Answer:

Showing da work!

2³+3³

=8+3³

=8+27

=35

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*rate this answer and say thanks please!

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3 years ago