# Trigonometry eBook

This trigonometry eBook contains a selection of A4 printable worksheets  for GCSE mathematics .  Solutions are provided to enable quick and easy feedback.

### Topics Included

• Pythagoras’ Theorem – Finding the Hypotenuse
• Pythagoras’ Theorem – Finding the Shorter Side
• Trigonometry - Calculating a Length
• Trigonometry - Calculating an Angle
• Trigonometry – Mixed Problems
• Three Dimensional Trigonometry
• Applying the Sine Rule
• Applying the Cosine Rule to Calculate Lengths
• Applying the Cosine Rule to Calculate Angles
• Area of a triangle formula
• Trigonometric graphs and equations
• Sin, Cos & Tan 30°, 45°, 60° and 90°
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### Mr Mathematics Blog

#### Surface Area of Cylinders

When I teach how to find the surface area of cylinders I like to add a constant level of challenge and enjoyment to the lesson.  Rather than repetitively calculating the surface area of a cylinder I introduce more complex cylindrical shapes. How to find the Surface Area of Cylinders To find the surface area of […]

#### Teaching Mathematics for a Growth Mindset

Inspiring students to enjoy maths and feel the success that comes with attempting a difficult challenge is why I teach.  The feeling of success is addictive.  The more students experience it the more they want it and the further out of their comfort zone they are willing to go to get more of it.  Teaching […]

#### Equation of Straight Line Graphs

To find the equation of straight line graphs students need to calculate the gradient using two pairs of coordinates and the intercept which is the y value of where it crosses the vertical axis.  Examiner’s reports of past exam questions show students are more able to find the intercept of a straight line than they […]