Question

The value of sin square 54° - cos sqaure 36° is

Answer 1

Answer:

0

Step-by-step explanation:

sin^2(54) is given we know sin∅=cos(90-∅) using the same logic

sin^2(54) can be written as cos^2(90-54)

and we all know 90-54=36

so we get sin^2(54) as cos^2(36)

plugging this value in the question we get

cos square 36-cos square 36=0

so the answer is 0

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