What is sqrt(-20)+sqrt(-45) ?

The solution to sqrt(-20)+sqrt(-45) is 5sqrt(5)i

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simplify sqrt(-20)+sqrt(-45)

simplify

- 20 + - 45

55 i

Solution steps

- 20 + - 45

- 20 = 25 i

- 45 = 35 i

= 25 i + 35 i

Add similar elements:

25 i + 35 i = 55 i

= 55 i

1 - tan^{2} (θ)

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1 - cos (2 θ)

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