Proving Trigonometric Identities

Welcome to the "Proving Trigonometric Identities" category on Questions LLC! Here, you will find a wealth of questions and discussions centered around one of the fascinating aspects of trigonometry: proving identities. Whether you are a student studying for an upcoming trigonometry exam or a math enthusiast looking to deepen your understanding of this topic, this category is the ideal space to learn and engage with others. Get ready to explore and unravel the intricacies of trigonometric identities as our community comes together to help each other make sense of these puzzling equations. So, grab your math hat and join the discussion on proving trigonometric identities!

Questions (8)

2. solve cos 2x-3sin x cos 2x=0 for the principal values to two decimal places.3. solve tan^2 + tan x-1= 0 for the principal

2 answers
asked by Suzy
888 views

prove thatsin(pi/2 - x)cot(pi/2 + x) = -sinx

1 answer
asked by urgent
276 views

Prove csc(pi/2-x)=sec x.a. csc(pi/2-x)=1/sin(pi/2)cosx+cos(pi/2)cosx=sec x b. csc(pi/2-x)=1/sin(pi/2)sinx-cos(pi/2)cosx=sec x c.

4 answers
asked by girly girl
2,936 views

Prove the following identities:13. tan(x) + sec(x) = (cos(x)) / (1-sin(x)) *Sorry for any confusing parenthesis.* My work: I

3 answers
asked by Taylor
970 views

Proving identities:1) 1+ 1/tan^2x = 1/sin^2x 2) 2sin^2 x-1 = sin^2x - cos^2x 3) 1/cosx - cosx = sin x tan x 4) sin x + tan x

4 answers
asked by Deepa
627 views

Prove:sin2x / 1 - cos2x = cotx My Attempt: LS: = 2sinxcosx / - 1 - (1 - 2sin^2x) = 2sinxcosx / - 1 + 2sin^2x = cosx / sinx - 1 =

6 answers
asked by Anonymous
1,317 views

could anybody please explain howsec x tan x - ¡ì sec x tan^2(x) dx = sec x tan x + ¡ì sec x dx - ¡ì sec^3(x) dx What I

1 answer
asked by Rain
610 views

1. Prove the identity:cosx/1-tanx+sinx/1-cotx=sinx+cosx2.Prove the identity: cosx/1+sinx+1+sinx/cosx=2secx

1 answer
asked by Aliya
536 views