Maths_Graphics+Calculator+Trig.+Graphs

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Example 1: Draw y=sin(x+90)
Press: sin --> ( --> X,Ө,T --> + --> 90 --> ) --> EXE

To get the features of the graph Shift F5

Example 2: Find a solution for 2cosx=0.5
Here you need to input the right hand side as one graph and the left hand side as another separate graph. For 2cosx: 2 --> cos --> X,Ө,T --> EXE For 0.5 : 0 -->. --> 5 --> EXE Now press Shift F5 and then F5 again, to get to ISCT which gives the coordinates of intersection between the two graphs, the x value is a solution for your question. To get another solution simply press the right arrow key and wait.