Answer:
1-cos2A/sin2A
=(1-cos^2 A+sin^2 A)/(2sinAcosA)
=(sin^2 A+sin^2A)/2sinAcosA
=2sin^2 A/2sinAcos^2 A
=sinA/cosA
=tanA
Answer:
If you wanted it to be converted to ft, then her height would be: 4 ft , 5 inches
~hope this has helped you out, have a gr8 day!~
Step-by-step explanation:
Answer:
2x squared + 25
Step-by-step explanation:
Answer:
-121
Step-by-step explanation:
-11² = -1 × 11² = -1 × 121 = -121