Me

tan(x)^2-sin(x)^2 all over tan(x)^2=sin(x)^2

i need mad
you need to get one side to look like the other
one rule: you cant touch the side you are trying to get it to look like

see explanation

Step-by-step explanation:

Using the trigonometric identities

• tanx =

• sin²x + cos²x = 1 ⇒ sin²x = 1 - cos²x

Consider the left side

= -

= 1 - cos²x

= sin²x = right side ⇒ verified

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.

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