Math, asked by Rvishwa, 1 year ago

15. If cos x = 1/2, then the value of 15
16. If tanx = 3/4, then the value of secºx-tan’ x=
17. The value of cos (TT-x) is
18. The range sin x 18
19. The value of is is
20. The conjugate of -5 -3i is​

Answers

Answered by NVKV
0

Answer:

15.60deg

16.1/4

17. -cos(x)

18. -1 to +1

20.-5+3i

Step-by-step explanation:

value of cos60 is 0.5

sec°x=1 & tan'x=(3/4)given

cos(TT-X) is neg if it lies in 2nd quadrant

Answered by kush193874
2

Answer:

/hope it may help u

please mark it as a brainlist answer

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