Math, asked by swara14, 1 year ago

if sinA=3/5 find the value of cosA+tanA

Answers

Answered by siddhartharao77
4
Given sin A = 3/5.

We know that cos^2 theta = 1 - sin^2 theta

                        cos theta = root 1 - sin^2 theta

                        cos A = root 1 - sin^2 A

                                   = root 1 - (3/5)

                                   = root 1 - 9/25

                                   = root 16/25

                                   = 4/5.   --------- (1)


We know that Tan theta = sin theta/cos theta

                         Tan A = sin A/cos A

                                     = 3/5/4/5

                                      = 3 * 5/5 * 4

                                      = 15/20

                                       = 3/5.   ----- (2).


From (1) and (2), we get

Cos A + Tan A = (4/5) + (3/5)

                        = 4 + 3/5

                        = 7/5.



Hope this helps!
Answered by shashikalabl89
0

Answer:

Step-by-step explanation:sina=3/5

Cosa=root 1-sin square a =1-9/25=16/25=4/5 tana=sina/cosa=3/5×5/4=3/4 cosa+tana=4/5+3/4=31/20

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