Question

The value of cos²26°– sin²64° ​

Answer 1

Step-by-step explanation:

${ \cos }^{2}26\degree - { \sin }^{2} 64\degree \: = \\ = { \cos }^{2}(90\degree - 64\degree) - { \sin }^{2} 64\degree \\ = { \sin }^{2} 64\degree - { \sin }^{2} 64\degree \\ = 0$

Answer 2

Answer:

Here is your answer = 2

Step-by-step explanation:

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