SOLUTION: The value of b that would make the equation costheta =sin (theta +b) true is
A) pi
B) -pi
C)pi/2
D)-pi/2
Algebra.Com
Question 1091112: The value of b that would make the equation costheta =sin (theta +b) true is
A) pi
B) -pi
C)pi/2
D)-pi/2
Found 2 solutions by math_helper, josmiceli:
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
C)
This is an identity you should memorize. Cosine leads Sine by 90 degrees (pi/2 radians).
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etc.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Since isn't specified, the choce
must hold true for any , so I'll
say radians
---------------------------------------
A)
NOT TRUE
B)
NOT TRUE
C)
TRUE
D)
NOT TRUE
-----------------------------
The answer is C)
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