HELP <3 Match the expressions with their solutions.
1 answer:
Answer:
1 ) sin 165°
2 ) cos 330°
3 ) Tan 157.5°
4 )
Step-by-step explanation:
1 )
Given expression is
We know that
So the first expression is sin (330/2)° =sin 165°
2 )
GIven expression is
We know that
So the result is cos 330°
3 )
Given expression is
We know that
Also we know that sin2x = 2sinxcosx
So The numerator becomes . and the denominator becomes as
So the result is Tan 157.5°
4 )
Given expression is
We know that
So the result is
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Answer:
z = - .5
Step-by-step explanation:
z = (x - μ)/ σ
z = 56 - 60/8 = -.5
A is the correct answer for your question
1560 bc 300 divided by 5 equals 60 and 60 times 26 equals 1560
The square base area is 6 x 6 = 36. Then each triangle is the same base and height. Formula for area is 1/2(b)(h). So, each triangle is 1/2(6)(12)=36. So all sides are 36x5=180 units squared.