Ask Experts Questions for FREE Help !
Ask
    jakemcnl's Avatar
    jakemcnl Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Oct 25, 2012, 03:30 PM
    how to verify trigonometric identities solver
    ((1-tan^2(t))/(1+tan^2(t)))=2*cos^2(t)-1 verify the identitiy
    retina111's Avatar
    retina111 Posts: 10, Reputation: 1
    New Member
    		  
    #2

    Oct 28, 2012, 07:18 AM
    Start by substituting tan t = sin t/ cos t
    we get (cos^2(t) - sin^2(t)) / (cos^2(t) + sin^2(t))
    sin^2(t) + cos^2 (t) = 1
    solve it, you'll get the answer.
Not your question? Ask your question View similar questions
 

Question Tools Search this Question
Search this Question:

Advanced Search

Add your answer here.


Check out some similar questions!

Trigonometric identities solver [ 3 Answers ]

show that 1/1-cos(X) - 1/1+cos(X) = 2cosecXcotX

Trigonometric identities solver [ 0 Answers ]

Need help with proofing these two questions: 1-sinx/1+sinx= (secx-tanx)^2 tanx+sec-1/tanx-secx+1= tanx+secx

Trigonometric identities solver [ 1 Answers ]

if sinA+sin2A=1 THEN EVALUATE cos12A+3cos10A+3cos8A+cos6A+2cos4A+2cos2A-2

Trigonometric identities solver [ 3 Answers ]

could someone please tell me how to verify this identity, I'm having a hard time figuring this stuff out: cot(-x) cos(-x) + sin(-x) = -cscx

Verify trigonometric identities solver? [ 4 Answers ]

(sinx)/(sinx+1)=(cscx-1)/(cot^(2)x)

View more questions Search