Math, asked by tecnametry, 1 year ago

if cos power4 teeta-sine power4 teeta=2/3then find the value of 2cos squer teeta-1?

Answers

Answered by akc7

2

cos power4 teeta-sine power4 teeta=2/3
or,cos power2 teeta-sine power2 teeta=2/3
2cos power2 teeta-1=2/3

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