Mathematics, 12.04.2020 19:46, daemonacoster
Find the exact value of the expressions cos(a + b), sin(a + ) and tan(a + b) under the
following conditions:
40
sin(a) = 77, a lies in quadrant I, and sin(B) = 13lies in quadrant II.
a. cos(a +B) =
(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or
fractions for any numbers in the expression.)
b. sin(a + ) =
(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or
fractions for any numbers in the expression
c. tan(a + B)=
(Simplify your answer. Type an exact answer, using radicals as needed. Use integers or
fractions for any numbers in the expression.)
Answers: 3
Mathematics, 21.06.2019 17:30, nayellisoto15
Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil
Answers: 1
Mathematics, 21.06.2019 21:30, girlysimbelieve
Aroulette wheel has 38 slots in which the ball can land. two of the slots are green, 18 are red, and 18 are black. the ball is equally likely to land in any slot. the roulette wheel is going to be spun twice, and the outcomes of the two spins are independent. the probability that it lands one time on red and another time on black in any order is(a) 0.5 (b) 0.25 (c) 0.4488 (d) 0.2244
Answers: 1
Find the exact value of the expressions cos(a + b), sin(a + ) and tan(a + b) under the
followi...
followi...
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