Question

evaluate cos raise to 6 theta + sec raise to 6 theta if cos theta + sec theta = 2

Answer 1

let theta =A

cosA+secA=2. ............eqn1

Cos 6A+ Sec 6A

=6(CosA+SecA)

=6(2).......from eqn 1

=12

hence, Cos6A+Sec6A=12

hope this answer useful to you

Answer 2

Answer:1

Step-by-step explanation: