Establish the identity.sin
= -cos ?
What will be an ideal response?
sin 
= sin 
cos ? - cos 
sin ? = (-1) ? cos ? - 0 ? sin ? = - cos ?
Mathematics
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Solve the problem using inductive reasoning.Find the 18th square number that corresponds to the following dot sequence.
A. s18 = 36 B. s18 = 324 C. s18 = 361 D. s18 = 171
Mathematics
Find the circumference of the circle whose radius or diameter is given. Use 
or 
as indicated. r = 105 ft. Use ? ? 3.14.
A. C ? 329.7 ft B. C ? 34,618.5 ft C. C ? 659.4 ft D. C ? 164.85 ft
Mathematics
Simplify.- 
+ 
- 
+ 
A. 
B. 
C. 
D. 
Mathematics
Is the following correspondence a function?
A. Yes B. No
Mathematics