Answer: 1
Step-by-step explanation:
Alright, lets get started.
The given expression is :
As per Pythagorean identity,
taking 1 to left side and 
to right side
Now plugging the value of 
in given expression
cosx will be cancelled, so
Multiplying -1 in both sides, it will equal to
........................ Answer (C)
Hope it will help :)
8 degrees
It goes from -3 to -2,-1,0,1,2,3,4,5.
I think of these in terms of "short side", "long side" and "hypotenuse." The proportions will be true that equate the ratios of corresponding sides.
I is (long side of CDB)/(short side of CDB) = (long side of BDA)/(short side of BDA)
These are corresponding sides, so the proportion is <em>true</em>.
II is (hypotenuse of CBA)/(long side of CBA) = (long side of CBA)/(hypotenuse of CBA)
This proportion equates a value to its inverse, so is <em>false</em> (since the triangle has non-zero area)
III is (long side of CBA)/(short side of CBA) = (hypotenuse of CBD)/(long side of CBD)
The sides involved here are not corresponding, so this is <em>false</em>.
IV is (long side of CDB)/(hypotenuse of CDB)/(long side of BDA)/(hypotenuse of BDA)
These are corresponding sides, so the proportion is <em>true</em>.
The appropriate choice is ...
... a. I and IV only
Answer:
4
Step-by-step explanation:
Because there are 10 pices and 4 of them are greater than 6
The possible solutions lie in the purple shaded area. (Where the two equations overlap). You can see the only point that does not fall in that area is (0,4). Your answer would be C.
