Asked by Philip
Simplify expression tan(-x)csc(x) ???
Cos x
-cos x
Sin x
Sec x
-sec x
Cos x
-cos x
Sin x
Sec x
-sec x
Answers
Answered by
Steve
tan(-x) = -tan(x)
so, you have
-sin/cos * 1/sin = 1/cos = sec
so, you have
-sin/cos * 1/sin = 1/cos = sec
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