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Solve the equation cosec^2(x) = 1 + 2cot(x), for -180° < x ≤ 180°.

First, we want to convert the equation to a simpler form involving just one function of x. Squared trigonometric functions are normally good candidates for simplification, thanks to the trigonometric iden...

MH
Answered by Max H. Maths tutor
11073 Views

Integrate cos(x)sin^2(x)

Answer: sin^3(x)/3 + c
The student can either solve by inspection by noticing that the derivative of sin^3(x)=3sin^2(x)cos(x).
OR
The student can use the longer method of integration by par...

MS
Answered by Milan S. Maths tutor
9030 Views

0.04 moles of sulfur trioxide is placed in a flask (1.50dm^3) and allowed to reach equilibrium at 600 degrees. If 30% of the sulfur trioxide decomposes to sulfur dioxide and oxygen - what is the equilibrium constant?

The easiest way to start your answer is by writing out the equation for the reaction {2SO3 (g) <-> 2SO2 (g) + O2 (g) } and considering what the equilibrium constant ...

IW
Answered by Isobel W. Chemistry tutor
3472 Views

What caused the collapse of the Weimar Republic?

A useful way of tackling this question would be to split your ideas of the possible factors into those based on structural phenomena and those driven by the agency of individuals. In this way, your answer...

SB
Answered by Sebastian B. History tutor
3126 Views

Analyse the compositional strategy and style of Joshua Reynolds' "Admiral Lord Hood" (1783).

Standing proudly as he rests his hand on a rock next to him is naval officer Lord Samuel Hood, depicted in the foreground of a sea-battle scene from the Battle of All Saints, one of the key military succe...

FC
2396 Views

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