" Q1.Find the relue of "0.37r" adec "53^(@)

If cos37^(@)=(a)/(b) then , what is the valie of cosec 37^(@)-cos53^(@) ?

The value of (cos53^(@)-sin37^(@)) is

The value of cos^2 37^@-sin^2 53^@ is

In figure, if P Q_|_P S ,P Q|| S R ,/_S Q R=28^0 and /_Q R T=65^0, then find the values of x and ydot Figure

37 pens and 53 pencils together cost ₹ 955, while 53 pens and 37 pencil together cost ₹ 1115. Find the cost of a pen and that of a pencil.

If p > q > 0a n dp r < -1 < q r , then find the value of tan^(-1)((p-q)/(1+p q))+tan^(-1)((q-r)/(1+q r))+tan^(-1)((r-p)/(1+r p)) .

If [(0,p,3),(2,q^(2),-1),(r,1,0)] is skew- symmetric, find the values of p,q, and r.

If [{:(0,p,3),(2,q^2 , -1),(r, 1,0):}] is skew-symmetric , find the values of p , q and r

If p>q>0 and pr<-1