Trigonometry. Brainliest to the one who gets ALL of them correct! NEED HELP ASAP Verify these Identities:

1. cosx−cosxsin²x = cos³x

2. =

3. + = 2+2cot²a

4. cos⁴b−sin⁴b = 1−2sin²b

5. =

6. (secx−tanx)² =

HELP!!!

To prove that def ~ gfh by the sss similarity theorem using the information provided in the diagram, it would be enough additional information to know that

What is the expression in factored form? 225x^2 - 144 a. 9(5x+4)^2 b. 9(5x-4)^2 c. 9(4x+5)(4x-5) d. 9(5x+4)(5x-4)

The john nash mall used 17,4000 kilowatt hours in may, with a peak load of 92 kilowatts. the demand charge is $5.95 per kilowatt, and the energy charge is $0.08 per kilowatt hour. the fuel adjustment charge is $0.017 per kilowatt hour. what is the total electricity cost for may?