PLEASE HELP THIS IS MY SEMSTER FINAL Prove the trigonometric identity.

cscxcosxtanx+cotx=cos2x

Drag an expression to each box to correctly complete the proof.

Ten members of balin's soccer team ran warm ups for practice. each member ran the same distance. their combined distance was 5/6 of a mile. to find the distance that each member ran, balin wrote the expression below.

What is the missing reason in the proof? segment addition congruent segments theorem transitive property of equality subtraction property of equality?

Agroup of student volunteers participates in a study designed to assess several behavioral interventions for improving output in a repetitive task. prior to the beginning of the study, all volunteers unknowingly observed, and their output is measured. at the beginning of the study, prior to any intervention, the volunteers perform the same task under the observation of a study administrator, and their overall output increases. which of the following terms describes this phenomenon? a. simpson's paradox b. hawthorne effect are d. novelty effect d. pygmalion effect e. observer-expectancy effect