`cosθ/(1-sinθ) + cosθ/(1+sinθ) = 2/cosθ`

Prove the following trigonometric identities: sinθ/(1+cosθ) + (1+cosθ)/sinθ = 2/sinθ

The value of ((sinθ -cosθ )(1 + tanθ + cotθ ))/(1+sinθ cosθ ) = ? ((sinθ -cosθ )(1 + tanθ + cotθ ))/(1+sinθ cosθ ) का मान है :

If (sinθ/(1+ cosθ)) + ((1 +cosθ)/sinθ) = 4/sqrt3 0^circ lt θ lt 90^circ , then the value of (tanθ + secθ)^(-1) is : यदि (sinθ/(1+ cosθ)) + ((1 +cosθ)/sinθ) = 4/sqrt3 0^circ lt θ lt 90^circ ,, तो (tanθ + secθ)^(-1) का मान है :

If 5sin θ – 4cos θ = 0, 0^circ lt θ lt 90^circ , then the value of (5sinθ− 2cosθ)/ (5 sin θ + 3cosθ) is: यदि 5sin θ – 4cos θ = 0, 0^circ lt θ lt 90^circ है, तो (5sinθ− 2cosθ)/ (5 sin θ + 3cosθ) का मान है:

The value of ( 1 + cotθ – cosecθ ) ( 1 + cosθ + sinθ )secθ = ? ( 1 + cotθ – cosecθ ) ( 1 + cosθ + sinθ )secθ का मान है :

If 3 − 2sin^2θ − 3cosθ = 0, 0^circ le θ le 90^circ , then what is the value of (2cosecθ + tanθ) ? यदि 3 − 2sin^2θ − 3cosθ = 0, 0^circ le θ le 90^circ है तो (2cosecθ + tanθ) का मान क्‍या है?

(sinθ - 2sin^3θ)/(2cos^3θ - cosθ) = tanθ

If sqrt((1-cosθ)/(1+cosθ)) xx sqrt((cosecθ -cot θ)/(cosecθ +cot θ))= (1-r)/(1+r) , then the value of r is: यदि sqrt((1-cosθ)/(1+cosθ)) xx sqrt((cosecθ -cot θ)/(cosecθ +cot θ))= (1-r)/(1+r) है तो r का मानहैः

If cos^(2) θ - sin^(2) θ - 3cosθ +2 =0 , 0^circ lt θ lt 90^circ , then what is the value of 4cosecθ + cotθ ? यदि cos^(2) θ - sin^(2) θ - 3cosθ +2 =0 , 0^circ lt θ lt 90^circ , है तो 4cosecθ + cotθ का मान कितना है?

x = a(θ - sinθ), y = a(1 + cosθ) Find dy/dx