Question

Type the correct answer in the box.Use numerals instead of words. If necessary, use / for the fraction bar.


ΔABC is a right triangle in which ∠B is a right angle, AB = 1, AC = 2, and BC = .

cos C × sin A =

Answer 1

Answer:

Bc=√3/2

Step-by-step explanation:

Cos C × Sin A =3/4

Answer 2

Step-by-step explanation:

by using phthagoras theorem .

H^2 = P^2 +B^2

(2)^2 =(1)^2 +B^2

B^2 = (2)^2 - (1)^2

B^2 = 4-1

B^2 = 3

B = √3

cosC = B/H

cosC = √3/2

sinA = P / H

sinA = 1/2

cosC × sin A

√3/2 × 1/2

== √3/2

hence prove

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