Question

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​

Answer 1

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