Which of the following is an identity?
A. sinBsecBcotB = 1
B. sinBsecBcotB = cotB
...
Mathematics, 14.12.2020 14:50 crystalbyrd79p8imrx
Which of the following is an identity?
A. sinBsecBcotB = 1
B. sinBsecBcotB = cotB
C. sinBsecBcotB = sin²B/cos²B
tan A - sec A =
A. Sin^2A - cosA/cosA
B. sinA-1/cosA
C. cos^2A - 1/cosA
1/1 - sinA + 1/1 + sinA =
A. 2 cos^2 A
B. 2 sec^2 A
C. tan^2 A
D. cot^2 A
Answers: 2
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