Prove the following identities, where the angles involved are acute angles for which the expressions are defined. : sqrt((1+sinA)/(1-sinA))=secA+tanA .
Prove that sqrt((1+sinA)/(1-sinA))=(1+sinA)/cosA .
Prove that cosA/(1-tanA)-(sin^2A)/(cosA-sinA)== sin A + cos A. .
Prove that : tan (45^@+A)= (1+tanA)/(1-tanA) .
(tanA+secA-1)/(tanA-secA+1)=(1+sinA)/cosA .
Prove that : tan (45^@-A)= (1-tanA)/(1+tanA) .
Prove the following identities, where the angles involved are acute angles for which the expressions are defined. : (1+secA)/(secA)=(sin^2A)/(1-cosA) .
If A-B=pi/4 the (1+tanA)(1-tanB) is equal to:
SWAN PUBLICATION-INTRODUCTION TO TRIGONOMETRY-Exercise 8.4 (Choose the correct option and justify your choice)
