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Integrate sinxcosx dx

Since the question is a trigonometry question, we shall use integration by recognisation, in which case, we found out that the derivative of sin x is cos x.Therefore by chain rule, we can integrate the fu...

Answered by Harris L. • Maths tutor

5080 Views

To what extent were Gorbachev's reforms responsible for the fall of the Soviet Union?

To blame Gorbachev alone is an oversimplification. Reforms may have accelerated the decline of the USSR, but their failure was contingent on long standing economic conditions.
Firstly - what were Gor...

Answered by Charlotte E. • History tutor

14209 Views

Find the values of x where x^(2) + 4x + 4 = 0

To solve this question we need to find the values of x which work for the equation x^(2) + 4x + 4 = 0. To solve the equation we can factorise the left-hand side into brackets which will m...

Answered by Ben A. • Maths tutor

8839 Views

What is the square root of the imaginary number i?

Let's suppose that (0+1i)^0.5= x+iy, where x and y are both real numbers. This is the most general form of a complex number. Now let's square both sides. This gives 0+1i = x²

Answered by George D. • MAT tutor

3700 Views

How can 'for' be translated correctly in French?

When translating for in French, we have to take into consideration the three prepositions which can be used: depuis, pendant and pour. The one which is selected depends on the sit...

Answered by Lauren C. • French tutor

2530 Views