Prove that sec A − tan A = √ 1−sinA 1+sinA
Answers
Answered by
0
Answer:
secA - tanA
1/cosA - sinA/cosA
(1 - sinA)/cosA
√(1 - sinA)^2/ cos^2A
√(1 - sinA)^2/(1- sin^2A)
√(1 - sinA)^2/(1 - sinA)(1 + sinA)
√(1 - sinA)/(1 + sinA)
Similar questions