Question

fill in the blank sin²81° + cos²81° = .....​

Answer 1

Answer:

sun square 81 +cos square 81=1

sin square a +cos square a=1

sin square 81 +cos square 81=1

Answer 2

Answer:

1

Step-by-step explanation:

as there is a formula:

sin²theta + cos²theta = 1

so here ,

sin²81 + cos²81 =1

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