- #1
vijayramakrishnan
- 90
- 0
Homework Statement
cos(θ)^x+sin(θ)^x=1
find the number of real values of x satisfying this equation
Homework Equations
none
The Attempt at a Solution
the answer given is 1 which is 2.which is obvious but i don't know how to prove that it is the only solution available
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