Asked by Statten

Which of the following are trigonometric identities? Select all that apply (there are 3 answers).
A cos^2(theta)=sin^2(theta)-1
B sin(theta)=1/csc(theta)
C sec(theta)=1/cot(theta)
D cot(theta)=cos/sin(theta)
E 1+cot^2(theta)=csc^2(theta)
Answered by Reiny
The correct relations are listed in your textbook or in your notes.
They are easy to look up

Let me know which ones you think do apply.
Answered by Statten
There is no textbook for this course.
Answered by Statten
But I believe it's B, C and D
Answered by Reiny
Only B is correct in your choices.

What are your resources for this major topic if you don't have a textbook ?
Answered by Jay
B, D and E and the correct respones
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