s e c theta space plus space tan theta space equals x   express  s e c theta minus tan theta   in terms of x
 

Asked by riyagupta180999 | 6th Jun, 2015, 06:32: PM

Expert Answer:

G i v e n space t h a t space open parentheses s e c theta plus tan theta close parentheses equals x W e space n e e d space t o space f i n d space t h e space v a l u e space o f space s e c theta minus tan theta space i n space t e r m s space o f space x. W e space k n o w space t h a t space s e c squared theta minus tan squared theta equals 1 rightwards double arrow open parentheses s e c theta plus tan theta close parentheses open parentheses s e c theta minus tan theta close parentheses equals 1 rightwards double arrow x cross times open parentheses s e c theta minus tan theta close parentheses equals 1 rightwards double arrow open parentheses s e c theta minus tan theta close parentheses equals 1 over x T h u s comma space t h e space v a l u e space o f space s e c theta minus tan theta space i s space 1 over x

Answered by Vimala Ramamurthy | 7th Jun, 2015, 02:23: PM