Question

the value of (cos A - sin A)^2 +(cos A + sin A)^2=?
$(cos \: a - sin \: a) {}^{2} + ({cos \: a + sin \: a)}^{2} =$
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Answer 1

Answer:

Hey mate

Good morning

Plz chl attachment.....

Hope it help uhh.....

Step-by-step explanation: