Question

If cos 1 x + sin ? x = it, then the value of x​

Answer 1

Step-by-step explanation:

We know, cos

−1

θ+sin

−1

θ=

2

π

∴cos

−1

x−sin

−1

x=0

⇒cos

−1

x−

2

π

+cos

−1

x=0

⇒2cos

−1

x=

2

π

⇒cos

−1

x=

4

π

⇒x=

2

1

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Answer 2

Answer:

_1, 1 by square root 2

Step-by-step explanation:

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