Question

pls answer these 4 questions and the one who can't answer don't even comment anything

Answer 1

Answer:

Step-by-step explanation:

60)sin x+sn^2 x=1

sin x=cos^ 2 x

cos ^4 x=sin^ 2 x

cos^ 2 x +cos ^4 x=sin x+sin^2 x=1

59)sec x=4x^2+1/4x

secx=hyp/base

h^2=p^2+b^2

(4x^2+1)^2-16x^2 =p^2

p^2=16x^4-8x^2+1

p=4x^2-1

tan a=per/base=4x^2-1/4

sec a+tan a=4x^2-1/4+4x^2+1/4=2x