Question

prove sec theta √(1−sin^2 theta) =1​

Answer 1

Answer:

as sec(a) = 1/cos a

and (1-sin^2 a) = cos^2 a

so sec (a) . √cos^2 a = sec(a) .cos a = 1

hence prove

Step-by-step explanation:

sec is reciprocal of cos.....and 1 - sin^2 is cos^2