Prove the identity.cos (270° - ?) = 
What will be an ideal response?
Left hand side:
cos (270° - ?) = cos 270° cos ? + sin 270° sin ? Difference identity
= 0 ? cos ? + (-1) ? sin ?
= -sin ?
Right hand side:
= 
= - sin ?
Mathematics
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Perform the indicated operations on a calculator. Express the result with the proper accuracy and precision. Assume that all numbers are approximate.6.8 + 0.466 + 32.29
A. 39 B. 39.6 C. 39.556 D. 39.56
Mathematics
Simplify by adding or subtracting like terms.6x + 10x
A. 16x2 B. 60x C. 32x D. 16x
Mathematics
Reduce to lowest terms.- 
A. 
B. - 
C. - 
D. - 
Mathematics
Graph  figure 1.png)
Indicate the slope, if it exists.
What will be an ideal response?
Mathematics