What is 3 days 8 hours and 15 minutes plus 2 days 15 hours and 45 minutes?
1 answer:
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Answer:
Options (1), (2), (3) and (4)
Step-by-step explanation:
By applying the sine and cosine rules in the given triangle,
sinθ =
cosθ =
cos(30°) =
=
=
sin(30°) =
=
=
cos(60°) =
=
=
sin(60°) = =
=
=
Options (1), (2), (3) and (4) are the correct options.