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Cosxcos(2. 180/3+x)cos(2.180/3-x) what is the max and min value of this equation?

Cosxcos(2. 180/3+x)cos(2.180/3-x) what is the max and min value of this equation?

Grade:11

2 Answers

Vikas TU
14149 Points
7 years ago
First reduce the eqns by using properties:
of 2cosAcosB .
Convert them itno singular sin and cos and then write maximum and minimum wwalue altenatively from the Range of sin and cos. which is [-1,  1].
Sourabh Singh IIT Patna
askIITians Faculty 2104 Points
7 years ago
Hii
What is this 2 in front of the angles that you have written ??

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