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# Pure 1 Chapter 9 - Trigonometric Ratios

Designed to accompany the Pearson Pure Mathematics Year 1/AS textbook.

## Ms J Fletcher

### 2nd Feb 2022 Flag Comment

QQQ-P1-C9-V2: Word document appears incomplete. PDF document - I believe Q2a should be labelled Q1a. Thank you for creating these - I use them fortnightly to review my Y12s understanding and they have been incredibly useful.

## Mr C Tindal

### 10th Mar 2021 Flag Comment

What is the reason there are v1 and v2 of most assessments? Are they just two alternatives?

## Mr C Tindal

### 10th Mar 2021 Flag Comment

Pure 1 Chapter 9 - Trigonometric Ratios QQQ-P1-Chapter9-v2.docx is a blank document.

## Mr J Beltrami

### 4th Feb 2021 Flag Comment

On slide 33 the range has sinx but its a graph of cosx

## Mr P Ross

### 21st Nov 2020 Flag Comment

In QQQ-P1-Chapter9-v1 Question 3 includes an angle in radians. Pupils don't meet radians until Year 2.

## B Bopeno

### 11th Jun 2020 Flag Comment

how can I access teacher's notes only please i am self teaching

## Mr P Nkellefack

### 8th Jun 2020 Flag Comment

Pure 1 - Chapter 8: Assessment for Teachers only access. The heading on the assessment page says chapter 7 instead of chapter 8. Thank you.

## Mr G Pooles

### 14th Apr 2020 Flag Comment

Hi. On the v2 paper, the answers for Q2a have used the measures from Q1 (7 cm and 8 cm)

## Mrs M Warren

### 22nd Nov 2019 Flag Comment

Hi, Slide 4 shows the answer when divided by Sin20 not Cos 20. Thanks

## Dr J Frost

### 23rd Jul 2018 Flag Comment

Thanks - I've fixed.

## Patel

### 15th Feb 2018 Flag Comment

On the right angle trig at the beginning theres a mistake - it should be cos20 instead of sin 20??

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