Asked by Java
Which of the following is equal to sin(270-x)?
A. -tan(x)
B. 1-tan(x)
C. -cos(x)
D. 1+cos(x)
E. 1+sin(x)
A. -tan(x)
B. 1-tan(x)
C. -cos(x)
D. 1+cos(x)
E. 1+sin(x)
Answers
Answered by
bobpursley
sin(270-x)=sin270cosx+cos270sinx
= -cosx + 0
= -cosx + 0
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