B. 1 hour, he takes the exact amount of time that he types.
Answer:
abc
Step-by-step explanation:
k = 15 is the answer!!!!!!
What was i correct was the 2nd step since when multiplying -2x-6 it would be a positive 12 not a negative :)
Tan t /(sec t -cos t)= sin t/(cos t *(1/cos t -cos t))
=sin t/(cos t*(1-cos ²t)/cos t))
=sin t/sin² t=1/sin t [or=cosec t.]
