Which identity is not used in the proof of the identity 1+cot^2 theta =csc^2 theta

*urgent*
*picture provided*

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Find the number of real number solutions for the equation. x2 + 5x + 7 = 0 0 cannot be determined 1 2

Is the underlined participial phrase correctly placed or misplaced? i smelled each and every flower strolling through the garden. a. correctly placed participial phrase b. misplaced participial phrase