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
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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
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Answer:
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