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Question 3

(a)If "A" is an acute angle and 2 Sin A = 1, then find the value of "A" and hence find the value of

4 Sin A-3 SinA

37

## Answers

Answered by

0

**Answer:**

A=30°

**Step-by-step explanation:**

2sinA=1

sinA=1/2

sinA=sin(30°)

A=30°

4sinA-3sinA

4sin30°-3sin30°

=2-3/2

=1/2

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