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Prove the following:
(i) sin4 0 – cost 4 0 = sin2 0 – cos2 o

September 28, 2021

Prove the following:
(i) sin4 0 – cost 4 0 = sin2 0 – cos2 o

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Ximena

Obtain the sum of all integers in the first 1000 positive integers which one nethier divisible by 5 or 2

subtract the sum of 2 2 3 4 5 6 and 2 4 5 6 7 8 9 from the sum of 3 4 5 6 7 8 9 6 and 3 3 4 5 6 7 6

1 thought on “Prove the following:<br />(i) sin4 0 – cost 4 0 = sin2 0 – cos2 o”

Madeline

September 28, 2021 at 8:47 pm

Step-by-step explanation:

=sin⁴0-cos⁴0

=(sin²0+cos²0)(sin²0-cos²0)

=1(sin²0-cos²0)

=(sin²0-cos²0)
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