" (iii) "sec((3 pi)/(2)-theta)sec(theta-(5 pi)/(2))-tan((5 pi)/(2)-theta)tan(theta-(3 pi)/(2))=-1

Prove that: sec((3 pi)/(2)-theta)sec(theta-(5 pi)/(2))+tan((5 pi)/(2)+theta)tan(theta-(3 pi)/(2))=-1

Prove that sec((3pi)/2-theta)sec(theta-(5pi)/2)+tan((5pi)/2+theta)tan(theta-(3pi)/2)=-1

Prove that sec((3pi)/2-theta)sec(theta-(5pi)/2)+tan((5pi)/2+theta)tan(theta-(3pi)/2)=-1

Prove that: "sec"((3pi)/2-theta)"sec"(theta-(5pi)/2)+t a n((5pi)/2+theta)"tan"(theta-(3pi)/2)=-1.

Prove that: "sec"((3pi)/2-theta)"sec"(theta-(5pi)/2)+t a n((5pi)/2+theta)"tan"(theta-(3pi)/2)=-1.

If tan theta=(3)/(4) and theta is not in first quadrant sin(sin((pi)/(2)+theta)-cot(pi-theta))/(tan((3 pi)/(2)-theta)-cos((3 pi)/(2)+theta))=

Prove that (sin(3pi-theta)cos(theta- pi/2)tan((3pi)/(2)-theta))/(cosec((13pi)/(2)+theta)sec(3pi+theta)cot(theta- pi/2))=cos^(4)theta

sqrt((1-sin theta)/(1+sin theta))={sec theta-tan theta, if -(pi)/(2)

Prove that: tan((pi)/(4)+theta)+tan((pi)/(4)-theta)=2sec2 theta

lim_(theta rarr(pi)/(2))(sec theta-tan theta)/(pi-2 theta)