Sir please help me to find out the best solution of the ncert class 10 chapter introduction of trigonometry. How i can solve the exercise 8.2 question number 4(3) easily. State whether the following are true or false. Justify your answer.The value of cos θ increases as θ increases
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State whether the following are true or false. Justify your answer. The value of cos θ increases as θ increases. Q.4(3)
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False.
According to the values obtained as per the unit circle, the values of cos are:
cos 0° = 1
cos 30° = √3/2
cos 45° = 1/√2
cos 60° = 1/2
cos 90° = 0
Thus, the value of cos θ decreases as θ increases. So, the statement given above is false.