Question

(sin90 +2a )(4- cos^2(90-2a)​

Answer 1

hey dude ❣️.........here u go

(sin90 +2a )(4- cos^2(90-2a)

= (1+2a)(4-sin^2(2a))

= 4-sin^2(2a)+8a-2a sin^2(2a)

hope it works ❤️