Answer:
(√2)/2; (√2)/2; 1; √2
Step-by-step explanation:
sin A = cos A
1. sin A
sin A/cos A = tan A = 1
A = arctan 1 = 45°
sin A = sin(45°) = (√2)/2
2. cos A
cos A = sin A = (√2)/2
3. cot A
tan A = 1
cot A = 1/tan A = 1/1 = 1
4. sec A
sec A = 1/cos A = 1 ÷ (√2/2) =1 × 2/√2 = √2
