EASY
12th West Bengal Board
IMPORTANT
Earn 100

sincos-1x-cossin-1x=

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Important Questions on Inverse Trigonometric Functions

EASY
12th West Bengal Board
IMPORTANT
The value of tan-1-3 is 
EASY
12th West Bengal Board
IMPORTANT

cos-1cos2π3+sin-1sin2π3= 

If the answer is pπ, find p.

MEDIUM
12th West Bengal Board
IMPORTANT
tan-11+cos-1-12+sin-1-12=
MEDIUM
12th West Bengal Board
IMPORTANT
If tan-1x+tan-1y=4π5, then the value of cot-1x+cot-1y is