Question

1-2 sin²30=give answers​

Answer 1

Answer:

Step-by-step explanation:

1-2×(1/2)^2

=>1-2×1/4

=>1-1/2

=>2-1/2

=>1/2

Answer 2

Answer:

1/2 is the answer

Step By Step Explanation

1-2 (1/2)(1/2)

1 - 1/2

2-1/2

1/2

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