Question

Use identities to find values of the sine and cosine functions of the function for the angle measure. 77 20, given sin 0 = 3

Use a calculator to find all solutions of the equation in rectangular form. 5-2-5i = 0 Choose the correct solution set below.

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Answer #1

theus & lies in 4th solution) Giren, sino = -√7 3 & Coso 7o = sin sin (15)=298.126 -20 = 596.25 .. (Am) Also, Coso, i-sino -3 = 2.(-5) 19 2014 2 29 100 16.264 Sin 20 = 23109.00 2/14 9. COS 20 = cos- sine - 5 .-(Am) 2 Giren, x5 - 2-5izo -?x2+ 51 -1): converting to rectangular form لمو مرره Xo=1.36f i 0.337 24 = 0.106 + 11:39 X = - 1029 + 10.53 x3 = -0.91 - 11.07 = 0.73 -

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