Question

cos square 30° +cos square45° +sin square 30°​

Answer 1

Answer:

9/4

Step-by-step explanation:

9/4 is the answer

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Answer 2

Answer:

Step-by-step explanation:

=cos^2 30°+sin^2 30°+cos^45°

=1+(1/√2)²   ( cos²Ф+sin²Ф=)

=1+1/2

=2+1/2

=3/2

hope you understand

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