like csc/sec have to be greater than 1
tan and cot can be any real number
sin/cos must be between 0 and 1? huh?
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like csc/sec have to be greater than 1
tan and cot can be any real number
sin/cos must be between 0 and 1? huh?
Quote:
Originally Posted by algebra2
csc/sec can be 1 so that should be greater than or equal to 1.
sin/cos must be between -1 and 1 (inclusive "between" so can be 1 and -1).
RonL
Remember ASTCQuote:
Originally Posted by algebra2
1st quadrant: all of sine, cosine, and tangent are positive
2nd quadrant: only sine is > 0
3rd quadrant: only tangent is > 0
4th quadrant: only cosine is > 0