Trig Identities Test Questions Answered Correctly Latest Update

Trig Identities Test Questions Answered Correctly Latest Update 2025-2026

csc x= - Answers1/sin

sec x= - Answers1/cos

cot x= - Answers1/tanx

tan x= - Answerssinx/cosx

cotx= - Answerscosx/sinx

sin^2x+cos^2x= - Answers1

sin(-x) - Answers-sinx

tan^2 x+1= - Answerssec^2 x

1+cot^2 x= - Answerscsc^2 x

cos (-x) - Answerscosx

tan (-x) - Answers-tanx

sin (pi/2 - u)= - Answerscos u

cos (pi/2-u)= - Answerssin u

tan (pi/2-u) - Answerscot u

cot (pi/2-u) - Answerstan u

csc (pi/2 - u) - Answerssec u

sin (s+t) - Answerssin s cos t+ cos s sin t

sin (s-t) - Answerssin s cos t- cos s sin t

cos (s+t) - Answerscos s cos t- sin s sin t

cos (s-t) - Answerscos s cos t+ sin s sin t

tan (s+t) - Answers(tan s + tan t )/ (1-tan s tan t)

tan (s-t) - Answers(tan s - tan t)/(1+ tan s tan t)

sin u cos v - Answers1/2 [sin (u+v) + sin (u-v)]

cos u sin v - Answers1/2 [sin (u+v)- sin (u-v)]