Prove that sec A *cosecA=tan A

A75-year-old client was admitted to the hospital after having sustained a fall at home. she is diagnosed with a right hip fracture and is scheduled for surgery in the morning. at 2: 30 am she awakens from sleep with confusion about where she is. she insists that her daughter is in the other room and wants to see her. you attempt to reorient her to the surroundings with little success. she continues to insist that her daughter is in the next room. in reviewing the client’s record, what data would be considered a source of her confusion?

Mary is 14 year old her resting heart rate is 70 beats per minute. calculate 50% of mary's maximum heart rate to fine her target heart rate

Write an essay of no less than 200 words on health behaviors, risk factors, and prevention of coronary artery disease (cad) through exercise.