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vichka [17]
3 years ago
15

Evaluate sin^2 (pi/4) + cos^2(pi/4) + cos.

Mathematics
1 answer:
mart [117]3 years ago
3 0

The answer of sin^2 (pi/4) + cos^2 (pi/4) is √ 2

<u>Step-by-step explanation:</u>

The value of sin^2 (pi/4) = √2/ 2

The value of cos^2 (pi/4) = √2/ 2

=  √2/ 2 +  √2/ 2

=  √2 +  √2 / 2

= 2 √2 / 2

Dividing √2 by 1

= √2

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