When do you have a solution and when do you have a solution set
1 answer:
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Answer: The correct option is (a), i.e., cos B= sin A.
Explanation:
It is given that the ∠B = ∠C and ∠D is a right angle.
Since two corresponding angles of both triangles are same, so by angel sum property three angles are also equal. Therefore by AAA rule both triangles are similar.
It is given that,
Using angle sum property angle C is written as,
By using quadrant concepts.
Therefore option A is correct.
Answer and Step-by-step explanation:
The answer is D.
The square root of CD times BD ()
The altitude is the mean proportional between the left and right parts of the hypotenuse .
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