A. ±√(1 - sin²θ)
B. 1 + sin²θ
C. sin²θ - 1
Mathematics, 09.12.2020 17:30, sadelshariff
Express cos in terms of sin.
A. ±√(1 - sin²θ)
B. 1 + sin²θ
C. sin²θ - 1
Simplify 1/2 (-sin^2 x - cos^2 x).
A. -1 1/2
B. -1/2
C. 1/2
Simplify tan^2 x + 1/cot^2 x + 1
A. 1/sinx
B. tanx
C. cotx
Answers: 2
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Do you know the correct answer?
Express cos in terms of sin.
A. ±√(1 - sin²θ)
B. 1 + sin²θ
C. sin²θ - 1
A. ±√(1 - sin²θ)
B. 1 + sin²θ
C. sin²θ - 1
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