plz help with detailed solution
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Answer:
- x = 1/√2
Step-by-step explanation:
Given:
- cos^-1x + sin^-1x = π
To find:
- x
Solution:
Since,
- cos^-1Ф + sin^-1Ф = π/2
We get,
- sin^-1Ф = -π/2 + cos^-1Ф
So,
=> cos^-1x - π/2 + cos^-1x = 0
=> 2cos^-1x = π/2
=> cos^-1x = π/4
∴ x = 1/√2
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