Introduction to Trigonometry
Which one of the following is correct ?
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
If t=45∘, what is sec(t)sin(t)−cosec(t)cos(t)?
Evaluate the following:sec500sin400+cos400cosec500
If x is acute and sin(x+10∘)=cos(3x−68∘), find x in degrees.
If 16cotθ=12, then sinθ+cosθsinθ−cosθ= _____
If tan2A=cot(A−18o) then find the value of A where (2A) and (A−18o) are acute angles
If x=cosecA+cosA and y=cosecA−cosA then prove that (x+y2)2+(2x−y)2−1=0.
If x=rcosθ.sinϕ,y=sinθ.sinϕ,z=rcosϕ Prove that x2+y2+z2=r2