Question

In a right triangle ABC, right-angled at B. if tan A = 1, then the value of 2 sin A cos A
(a) (b) 1 (c) ² (d) n.d.​

Answer 1

Answer:

1

Step-by-step explanation:

if tan a is 1 then A=45 in first quadrant

2sinAcosA can be written as sin2A

2A= 2x45=90

so 2sinAcosA= sin2A=sin90=1

Answer 2

Answer:

The answer has been given in above attachment

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