Sin (105) = sin (15+90)= cos 15- ℎ ℎ
Explanation:
sin(105) = sin (60+45) because sin (a +b)= sin a • cos b+ cos a• sin b
Therefore,
sin 105= sin (60+45) = sin 60• cos 45 + cos 60 • sin 45 =
The picture below is your answer.
The answer to the given question is B. False
Hope this helps
Answer:
D. desire to surprise his friend and his friend’s failure to recognize him
Explanation:
Answer D
Correct. In these sentences, the author presents a humorous reversal that emerges from the ironic incongruity between the traveler’s plan to “overpower” his old friend with an excess of pleasure and the anticlimactic outcome of the surprise visit. As it turns out, the friend experiences no immediate pleasure from the visit because he fails to recognize the traveler and can only be made to remember him after the traveler gives a “gradual (in this context, methodical) explanation” of who he is.
