Question

Two angles of a triangle are cot inverse 2 and cot inverse 3 than the third angle is option 1. pi by 4 option 2 .3pi by 4. 3 pi by 3. Option 4.-1 by 2

Answer 1

Step-by-step explanation:

cot^-1( 2) = tan^-1(1/2)

cot^-1 (3)= tan^-1(1/3)

tan^-1(1/2+1/3)=tan ^-1(1)=pi/4

pi-pi/4=3pi/4

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