Math, asked by shikshashah79, 5 months ago

If sinA=3/5 then find the value of cosA (a) 1. (b) 4/5. (c)3/4. (d) 5/3

Answers

Answered by 4842

1

Answer:

the answer is option (b) 4/5

Answered by hopelesslylost

1

Answer:

b)4/5

Step-by-step explanation:

sin A = opposite/ hypotenuse

cosA = adjacent/ hypotenuse

sin A = 3/5

therefore, hypotenuse= 5

opposite = 3

Using Pythagoras theorem

adjacent= 4

therefore, cos A = 4/5

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