all my answers where deleted for "not explaining" but most of them where how to find the answer your self bring this to the attention of mods and prove this is an outrage this question was just deleted MAKE OUR VOICES HEARD talk and have fun here I WILL REMAKE IF DELETE

Step-by-step explanation:

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Step-by-step explanation:

MAKE OUR VOICES HEARD

sec ф = 5/3 (quadrant 4)

let x = base

y = perp

z = hypotenuse

sec ф = hypotenuse/base = 5/3

⇒ z = 5 and x = 3

finding y:

z² = x² + y²

5² = 3² + y²

y² = 25-9

y² = 16

y = 4

now finding all other geometric functions of theta:

sin ф = y/z = 4/5

sin ф = -4/5 (sin is negative in the 4th quadrant)

cos ф = x/z = 3/5

cos ф = 3/5 (cos is positive in 4th quadrant)

tan ф = y/x = 4/3

tan ф = -4/3 (tan is negative in 4th quadrant)

cosec ф = z/y = 5/4

cosec ф = -5/4 (cosec is negative in the 4th quadrant)

cot ф = x/y = 3/4

tan ф = -3/4 (tan is negative in 4th quadrant)

answer: the anser is 3

step-by-step explanation:

c- 2o is equal to 9