If sinα=cosß it means that ß=90-α. This also means that α+ß=90 so we can say:
4k-22+6k-13=90
10k-35=90
10k=125
k=12.5°
...
The above identity comes up a lot, and is one worth committing to memory for sure.
sinα=cos(90-α) or vice versa cosα=sin(90-α)
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meeeee
Step-by-step explanation:
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wheres the question? it just says what you said-
The answer for this is A.(3,1).
hope this helps
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I think elimination with subtraction would be the best answer choice, since all the numbers are positive.
