I hope this helps you
✔cos^2A+sin^2A=1
✔1-cos^2A=sin^2A
✔cos2A=cos^2A-sin^2A
✔sin2A=2.sinA.cosA
secA=1/cosA
tgA=sinA/cosA
sin^2A/1/cos^2A-sin^2A/cos^2A
sin^2A.cos^2A/cos2A
2.sin^2A.cos^2A/cos2A
sin2A.2.sin2A/cos2A
tg2A.2.sin2A
Answer:
9.18
Step-by-step explanation:
1.66/15.25=9.18
Answer:
96.52 centimeters
Step-by-step explanation:
1 inch is equal to 2.54 centimeters
38 inches = 38*2.54 cm
38 * 2.54 = 96.52
The answer is 96.52 centimeters
Hope this helps :)
Have a great day
Answer:

Step-by-step explanation:
Two angles are Complementary when they add up to 90°.
Therefore
