Determine the angle, 0, between the two vectors: A=5 i+4 j+3 k \text { and } B=2 i+6 j+5 k Note: here, i, j, and k refer to the unit

vectors i-hat, j-hat, and k-hat. 1) 62° 2) 76° 3) 45° 4) 31° 5) 49°