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Show that (sec(x))^2 /(sec(x)+1)(sec(x)-1) can be written as (cosec(x))^2.

( sec2(x))/((sec(x)+1)(sec(x)-1))Then, by the rule of 'difference of two squares', we know that this equals= (sec2(x))/(sec2(x)-1)= (sec2x/tan2x)s...

RS
Answered by Rishi S. Maths tutor
11504 Views

Descrivi la tua famiglia

The question can be approached in several ways. I personally find useful to have a general idea of the answer as a whole in my head before starting to speak out loud. The trick is to not get lost in your ...

FR
Answered by Federica R. Italian tutor
3416 Views

Talk about a topical social issue affecting Russia or a Russian-speaking country today.

This question demands a topical issue such as the dangers of alcoholism or drug abuse. I would encourage the student to thoroughly learn topical vocabulary and help them to devise techniques, such as flas...

LM
Answered by Lia M. Russian tutor
1362 Views

Find the values of A between and including 0 and 360 degrees for tan(2A) = 3tan(A)

You cannot work with this equation in the current form so you must use identities to find an equivalent form that you can work with. It is known that tan(2A) = 2tan(A) / 1-tan2(A) so set this e...

DM
Answered by Daniel M. Maths tutor
4969 Views

"Why do the central bank control monetary policy, but the government control fiscal policy?"

As of 1997, monetary policy has been independent from the government in order to remove any political bias or influence from the decision making. The government often had the habit of reducing interest ra...

TD
2168 Views

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