If sinA=3/5 then find the value of cosA (a) 1. (b) 4/5. (c)3/4. (d) 5/3
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Answered by
1
Answer:
the answer is option (b) 4/5
Answered by
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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