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(i) Prove sin(θ)/cos(θ) + cos(θ)/sin(θ) = 2cosec(2θ) , (ii) draw draph of y = 2cosec(2θ) for 0<θ< 360°, (iii) solve to 1 d.p. : sin(θ)/cos(θ) + cos(θ)/sin(θ) = 3.

For (i) Start by looking at left hand side of the equation. It is usually much easier to reduce large expression into smaller ones. So, LHS = sin2(θ) +cos2(θ)/ sin(θ)cos(θ). Since, s...

RK
Answered by Rabin K. Maths tutor
10793 Views

The equation of line L is y= 3x+2 and the equation of line M is 3y–9x+5=0. Show that these lines are parallel.

First step is to understand what it means for lines to be parallel. This is when the gradients of two lines are the same.This is much easier to see when the format of the equations is the same, so lets re...

PP
Answered by Paulius P. Maths tutor
3221 Views

What is Strict Liability?

Crimes which are strict liability require no proof of mens rea in relation to one or more aspects of the actus reus. It could also be considered actionable per se as the crime speaks for itself. Strict li...

HM
Answered by Harriet M. Law tutor
3880 Views

Why did France demmand such a harsh settlement at the Peace Treaty in 1919? (6)

This is a 6 mark question which requires reasons in the form of three PEE (Point, Evidence, Explain) paragraphs. A model answer could be structured like this:P: Residual bitterness over the Franco-Prussia...

TK
Answered by Tara K. History tutor
10793 Views

How do I answer a word choice question in close reading or comprehension?

When answering close reading questions about word choice one of the easiest ways to think about it is what are the CONNOTATIONS of a word - a fancy way of saying what do the words the author has chosen ma...

MC
Answered by Megan C. English tutor
3283 Views

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