This proves that cos 2pi7cos 4pi7 cos 6pi7 -12 Approved by eNotes Editorial Team Well help your grades soar. Rajantandu1974 rajantandu1974 13112019 Math Secondary School Prove that.

If X 270 Cos 2 Pi 7 Cos 4 Pi 7 Cos 6 Pi 7 3746 Then The Value Of X Is Mathematics Topperlearning Com We39l5gg

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Cos2pi7 cos4pi7 cos8pi718 Get the answers you need now. Over 1 million lessons deliver. Free math problem solver answers your algebra geometry trigonometry calculus and statistics homework questions with step-by-step explanations just like a math tutor.

Cos2pi7 cos4pi7 cos8pi718 1 See answer rajantandu1974 is waiting for your help. To ask Unlimited Maths doubts download Doubtnut from – httpsgoogl9WZjCW prove that cos2pi7 cos4pi7 cos6pi7 -12. Please check your email for login details.

If youre talking about radian measure than the answer would be -1 and in radian measure you cannot factor out cos pie7 cause youre adding the x-values of each given distance in the unit circle. To ask Unlimited Maths doubts download Doubtnut from – httpsgoogl9WZjCW Find the value of cos2pi7 cos4pi7 cos6pi7. Free math problem solver answers your algebra geometry trigonometry calculus and statistics homework questions with step-by-step explanations just like a math tutor.

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