(3đ?&#x153;&#x2039;/2 , 2đ?&#x153;&#x2039;)
Answer: B From the curve it is clear that sinx and cosx both are decreasing in the interval (đ?&#x153;&#x2039;/2 , đ?&#x153;&#x2039;) How to plot the graph? To plot this graph you need to know the value of sinÎ¸ & cosÎ¸ for the values of 0Â°, 30Â°, 45Â°, 60Â° and 90Â°. For that you do not have to remember the values. Open the â&#x20AC;&#x2DC;Scientific Calculatorâ&#x20AC;&#x2122; by clicking on the icon of calculator on the question screen during GATE exam. Q.2 The area of an equilateral triangle is â&#x2C6;&#x161;3. What is the perimeter of the triangle? (A) 2
B) 4
C) 6
D) 8
Answer:C
(3đ?&#x153;&#x2039;/2 , 2đ?&#x153;&#x2039;)
Answer: B From the curve it is clear that sinx and cosx both are decreasing in the interval (đ?&#x153;&#x2039;/2 , đ?&#x153;&#x2039;) How to plot the graph? To plot this graph you need to know the value of sinÎ¸ & cosÎ¸ for the values of 0Â°, 30Â°, 45Â°, 60Â° and 90Â°. For that you do not have to remember the values. Open the â&#x20AC;&#x2DC;Scientific Calculatorâ&#x20AC;&#x2122; by clicking on the icon of calculator on the question screen during GATE exam. Q.2 The area of an equilateral triangle is â&#x2C6;&#x161;3. What is the perimeter of the triangle? (A) 2 B) 4 C) 6 D) 8