Which of the following is a trigonometric identity?
a. cot theta + tan theta = 1
b. sec...
Mathematics, 03.02.2020 02:46 iop123456
Which of the following is a trigonometric identity?
a. cot theta + tan theta = 1
b. sec^2theta + csc^2theta = 1
c. tan^2theta = sin^2theta × sec^2theta
d. cos^2theta = sec^2theta × tan^2theta
Answers: 3
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