NDA MATHEMATICS QUIZ - 18

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Question 1:

If k=12ksin1xk=kπ then k=12kxk is

Question 2:

Value of cot(sin135+cot132) is

Question 3:

tan1x+tan1y+tan1z=π2 then

Question 4:

If x=tan117+tan118+cot118 then cotx is equal to

Question 5:

The number of solutions of sin1x=2tan1x is

Question 6:

tan1(cosθ1+sinθ)=..;π2θ3π2


Question 7:

If cos1a2+cos1b3=t then 9a212abcost+4b2 is equal to

Question 8:

If cos1α+cos1β+cos1γ=π; then α2+β2+γ2+2αβγ equals

Question 9:

The number of solution for which the equation sin1x=cos1x+sin1(5x3) holds is

Question 10:

If cot1x2x1+cot1x+2x+1=cot1(1) then x=......