1.If cos=1/2(x+1/x) and cos=1/2(y+1/y) then evaluate:
2.Find the number of real solutions of the equation in the interval ?
Please help in solving them...
Asked by rakshitreshu1997 | 19th Jul, 2015, 12:45: PM
Please post question 2 as a separate question.
Answered by Vimala Ramamurthy | 20th Jul, 2015, 08:49: AM
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