prove that : 1/sec2(theta) = cos 4 (theta) - sin 4 (theta) - Maths - Trigonometric Functions

Question

prove that : 1/sec2(theta) = cos 4 (theta) - sin
4 (theta)

Chandan chaurasiya · Accepted Answer

Dear student <img alt="" src=
"https://s3mn%20mnimgs%20com/img/shared/content_ck_images/ck_5cf60fafb78e4%20jpg">hope
you get it regards