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What Is Cos Pi Minus Theta? [Solved]
Aug 18, 2016. cos(π−θ)=−cos(θ)
cos(pi - x) | cos(pi - theta)
In this video, we will learn to find the value
prove cos( pi - theta ) = -cos theta
Find using trig identities.
cos( pi + theta ) = -cos theta
Use identities and prove
