Question

Hi please answers these questions in attachment

Answer 1

Answer:

1. b

2. a

3. c

Hope it helps uh

Answer 2

Answer:

1. (a) sinhx

2. (a) True

3. (a) sinx

Explanation:

1.

$\mathrm {\dfrac{d}{dx} \ coshx = sinhx }$

2.

$\mathrm{\dfrac{d}{dx} \ secx = secxtanx}$

3.

$\mathrm{\int \, \cos x \ dx = sinx}$

Hope it helps

Please mark as brainliest