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Show that 1+cot^2(x)=cosec^2(x)

Need to remember that:sin 2 (x)+cos 2 (x)=1 (eq.1)Divide the whole eq.1 by sin 2 (x)to get:sin 2 (x)/sin 2 x+cos 2 (x)/sin 2 (x)=1 /sin 2 x Which is the same as:1+cot 2 x=cosec 2 x
TD
Answered by Tutor114151 D. • Maths tutor
62492 Views

What do Oxbridge tutors look for in a personal statement?

There are two important things to bear in mind when starting the personal statement, as it can seem a daunting task: firstly, to remember that this will be read by all universities applied to, not just Oxbri...
GC
2014 Views

The mean of 4 numbers is 8 when a 5th number is added the mean becomes 10, what is the 5th number?

Ok, so firstly let's think about what the mean means? Add all the numbers together and then divide by the total number of values we have.So, that means with the 4 numbers we currently have the total divided ...
CO
Answered by Carmen O. • Maths tutor
8538 Views

Can you explain the difference between Type 1 and type 2 diabetes?

Endocrine parts of pancreas called Islets of Langerhans . 2 populations of cells: A cells - secrete glucagon (RAISES blood glucose conc) - when all the 'gluc has gone' B cells - secrete insulin (LOWERS blood...
NH
Answered by Noura H. • Biology tutor
3514 Views

How do you form the "Perfekt"?

To form the "Perfekt" is formed: sein/haben + Partizip II (past participle), which is why you need to know how to conjugate the verbs "sein" and "haben":ich bin, du bist, er/sie...
AS
Answered by Anne S. • German tutor
3494 Views