Question

If sino = 7/25 , find the value of cos o by completing the following activity .
solution: sino = 7/25
consider ∆ ABC where L ABC =90° and L ACB = o sino= ​

Answer 1

ac 2= ab2+bc2

25*25= 7*7+bc2

625=49+ bc2

625-49=bc2

✓576=bc

24

cos 24/25

Answer 2

Answer:

good evening g I don't know