Verify the identity.cos
= -sin ?
What will be an ideal response?
cos 
= cos 
cos ? + sin 
sin ? = 0 ? cos ? - 1 ? sin ? = - sin ?
Mathematics
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Using a calculator, find to the nearest ten-thousandth.ln 0.992
A. -0.0080 B. -0.0035 C. 0.0035 D. 0.0080
Mathematics
Write the given number in scientific notation.0.00009569 Give the answer to four significant digits.
A. 9.569 × 10-5 B. 9.569 × 104 C. 9.569 × 105 D. 9.569 × 10-4
Mathematics
Graph the inequality.x < 0
A. 
B. 
C. 
D. 
Mathematics
Use a product-to-sum identity to rewrite the expression.sin(12t2) cos (2t2)
A. 0.5(cos(10t2) - cos(14t2)) B. 0.5(cos(14t2) + cos(10t2)) C. 0.5(sin(14t2) - sin(10t2)) D. 0.5(sin(14t2) + sin(10t2))
Mathematics