Question

7
Find A, if :
(i) sin 2A = 1​

Answer 1

Answer:

A=1/2

Step-by-step explanation:

Sin 2×A=1

Sin A=1/2

Answer 2

Answer:

45°

Step-by-step explanation:

sin2A=1

$2 a = \sin ^{ - 1} 90$

2a=90°

a=90°/2

a=45°