Answer:
sin75º=sin(30)º+45º)
=sin 30 cos 45+cos 30 sin 45
=1/2*√2/2+√3/2*√2/2
=√2/4+√6/4
=(√2+√6)/4
Check with calculator:
sin 75º≈0.9659
exact value=(√2+√6)/4≈0.9659
Answer: 10
the distance between 2 points is 
Step-by-step explanation:
Answer:
The slope of the line is -2
Step-by-step explanation:
<em>The rule of the slope of a line is</em>:
, where
and
are two points on the line
<em>Let us find the slope using the rule above</em>
∵ The line passes through points (3, -7) and (-1 , 1)
∴
= 3 and
= -1
∴
= -7 and
= 1
<em>Substitute these values in the rule above to find m</em>
∴ 
∴ The slope of the line that passes through the given points is -2
Complementary angles add up to 90 degrees whereas Supplementary angles add up to 180 degrees.
If this helps can I please have brainiest? Thanks
Answer:
○ b Corresponding Angles
Step-by-step explanation:
These two angles are a mirror, so they <em>correspond</em>.
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