If sin A=3/4, calculate cos A and tan A

1.	If sin A=3/4, calculate cos A and tan A
Answer» No CosA=√7/4 TanA=3/√7 Sin A=3/4=P/HP=3 H=4Using PGTH^2= P^2+ B^2(4)^2= (3)^2+ B^216= 9+ B^216- 9= B^2√7= BB= √7Cos A= B/H= √7/4Tan A= P/B= 3/√7

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