The maximum value ofcos^2(pi/3-x)-cos^2(pi/3+x), is | 12 | TRIGONOMETRIC RATIOS AND IDENTITIES ...

The maximum value of `cos^2(pi/3-x)-cos^2(pi/3+x)`, is

The value of cos^2⁡〖π/16+cos^2⁡〖3π/16+cos^2⁡〖5π/16+cos^2⁡〖7π/16〗 〗 〗 〗...👇

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The value of the expression `cos(pi/2-x)cos((3pi)/2+x)-cos(pi-x)cos(2pi-x)`

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The value of `cos^2(pi/6+theta)-sin ^2\ (pi/6-theta)` is `adot1/2cos\ 2theta` b. `0` c. `-1/2c