find value of cosA if 2 sin2A=√3
Answers
Answered by
4
Answer:
hope it helps uh plzz mark as brainliest olzz
Attachments:
Answered by
0
Answer:
5/8
Step-by-step explanation:
sin2A=√3
sin2A=√3/2
cosA=1-2sin^2A/2
=1-2(sin 2A/2)^2
=1-{2×(√3/4)^2}
=1-(2×3/16)
=1-3/8
=(8-3)/8
=5/8
Similar questions