Cos A= 1/4tanA =3/1 or 3
Sin = p/h than sins =3/4 so base = √7 now find cos a = b/h and tana = p/b okk
If sin A =3/4, calculate cos A and tan A.
Riddhi Hans
Asked: 2 years ago2022-11-06T14:39:28+05:30
2022-11-06T14:39:28+05:30In: Class 10
If sin A=3/4 calculate cos A and tan A
If sin A=3/4 calculate cos A and tan A
Leave an answer
Leave an answer
Rajendra Dalal
Asked: 2 years ago2022-11-06T11:44:05+05:30
2022-11-06T11:44:05+05:30In: Class 10
If sin A=3/4, calculate cos A and tan A
If sin A=3/4, calculate cos A and tan A
Leave an answer
Leave an 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
Baldev Bhandari
Asked: 2 years ago2022-11-06T09:23:00+05:30
2022-11-06T09:23:00+05:30In: Class 10
If sin A = ¾, calculate cos A and tan A
If sin A = ¾, calculate cos A and tan A
Leave an answer
Leave an answer
-
S t e p – b y – s t e p e x p l a n a t i o n:It is G iv e n\xa0i )\xa0=/* From (1) */====—(1)ii)\xa0=\xa0After cancellation, we get=\xa0—(2)Therefore,\xa0OR
Koushtubh Devi
Asked: 2 years ago2022-11-05T20:27:44+05:30
2022-11-05T20:27:44+05:30In: Class 10
If sin a 3/4 calculate cos a. And tan. A
If sin a 3/4 calculate cos a. And tan. A
Leave an answer
Leave an answer
Jaswant Bhai Rout
Asked: 2 years ago2022-10-31T22:06:35+05:30
2022-10-31T22:06:35+05:30In: Class 10
If sin A=¾, calculate cos A and tan A.
If sin A=¾, calculate cos A and tan A.
Leave an answer
Leave an answer
-
S o l u t i o nGiven\xa0sinA=3/4Or p/h=3/4Let p=3k and h=4kNow By Pythagoras theoremp2\xa0+ b2\xa0=h29k2\xa0+ b2\xa0=16k2b2\xa0= 7k2Or b=+k√7Now\xa0CosA=b/h=√7/4Now\xa0tanA=SinA/CosA=3/√7
Lakshmi Zeeshan Sridhar
Asked: 2 years ago2022-10-29T15:01:55+05:30
2022-10-29T15:01:55+05:30In: Class 10
If sin A =3/4,calculate cos A and tan A
If sin A =3/4,calculate cos A and tan A
Leave an answer
Leave an answer
-
cos A = √7/4 and tanA = 3/√7
Dhanush Aurora
Asked: 2 years ago2022-10-29T05:50:40+05:30
2022-10-29T05:50:40+05:30In: Class 10
If sin A=3/4,calculate cos A and tan A
If sin A=3/4,calculate cos A and tan A
Leave an answer
Leave an answer
-
√7/4 , 3/√7
Nilima Nayar
Asked: 2 years ago2022-10-29T00:38:35+05:30
2022-10-29T00:38:35+05:30In: Class 10
If sin A=3\\4 calculate cos A and tan A
If sin A=3\\4 calculate cos A and tan A
Leave an answer
Leave an answer
-
We know that sin A=opp/hyp………adj=4square-3sq……….which is…..root over 7 (I hope it is correct) cos A=root over 7/4………tan A=3/root over 7 (tanA=opp/adj & cos A= adj/hyp)
CosA=root7/4&tanA=3/root 7
3/root 5??????
=3/√5
We haveSinA= 3/4Then p/h =3/4Let p=3k and h=4kThen,by Pythagoras\’ theoremb=root5Hence, cosA=root5/4 tanA =3/root5.
cos a =5/4 and tan a=3/5