Math, asked by aartim280, 3 months ago

1/12 th times the square of the total number of students planed to visit historical monuments ,7/12th times the number of students planed to visit old age homes while 15 students decided to teach poor children. express the total numbers of students as a polynomial in term of x.

Answers

Answered by tanvirrahmanshuvo240

Answer:

2cos^2A-2√2cosA+1 হলে A এর মান কতো

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