Q39 of 55 Page 35

Fill in the blanks

The value of is __________.

The value of is .


Principal value of sin-1 x is


Now, should be .


is outside the range


As, sin (π – x) = sin x


So,




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37

If cos–1x > sin–1 x, then

 38

Fill in the blanks

The principal value of is ________.

 40

Fill in the blanks

If cos (tan–1x + cot–1 √3) = 0, then value of x is _________.

 41

Fill in the blanks

The set of values of is _________.