Answer:
my friends last name is bradley
Step-by-step explanation:
Answer:
50
Step-by-step explanation:
70+60 =130
180-130 = 50 degrees
Answer:
see explanation
Step-by-step explanation:
Using the double angle identity for sine
sin2x = 2sinxcosx
Consider left side
cos20°cos40°cos80°
=
(2sin20°cos20°)cos40°cos80°
=
(2sin40°cos40°)cos80°
=
(sin80°cos80° )
=
(2sin80°cos80° )
=
. sin160°
=
. sin(180 - 20)°
=
. sin20°
=
= right side , thus proven
Answer:
365
Step-by-step explanation:
300X1.04^5=364.995871