Question

what is 1-2 sin²30 give answer​

Answer 1

Answer:

1/2

Step-by-step explanation:

1-2*1/4

=1-1/2

=1/2

Answer 2

Answer:

1 - 2sin²30

= 1 - 2 x 1 /2 x 1/2

= 1 - 1/2

=3/2

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