π<2theta<3π/2 then √2+√2+2cos4theta
Answers
Answered by
1
√2+√2(1+cos2(2theeta))
√2+√2(2cos²2theeta)
√2+2cos2@
√2(1+cos2@)
√2(2cos²@=2cos@
√2+√2(2cos²2theeta)
√2+2cos2@
√2(1+cos2@)
√2(2cos²@=2cos@
Similar questions