Wednesday
April 1, 2015

Homework Help: Trigonometry

Posted by Jessy on Sunday, November 24, 2013 at 4:10pm.

Prove the following trigonometric identities. please give a detailed answer because I don't understand this at all.

a. sin(x)tan(x)=cos(x)/cot^2 (x)
b. (1+tanx)^2=sec^2 (x)+2tan(x)
c. 1/sin(x) + 1/cos(x) = (cosx+sinx)(secx)(cscx)
d. tan^2 (x)(1+1/tan^2 x) = 1/(1-sin^2x)
e. sin^3 (x) +cos^3 (x)/(sinx+cosx) = 1-sinxcosx
f. (sinx-cosx+1)/(sinx+cosx-1)= (sinx+1)/cosx

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

TRIGONOMETRY *(MATHS) - Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x...
Trigonometry - 1.Solve tan^2x + tan x 1 = 0 for the principal value(s) to two ...
Trigonometry desperate help, clueless girl here - 2. solve cos 2x-3sin x cos 2x...
TRIG.............. - Q.1 Prove the following identities:- (i) tan^3x/1+tan^2x + ...
trigonometry hlp me - 6.Prove that tan y cos^2 y + sin^2y/sin y = cos y + sin y...
precalculus - For each of the following determine whether or not it is an ...
trig - We are doing trig identities in school. I need help with these five: 1.1+...
Precalculus/Trig - I can't seem to prove these trig identities and would really ...
Mathematics - Trigonometric Identities - Let y represent theta Prove: 1 + 1/tan^...
Trigonometry - Please review and tell me if i did something wrong. Find the ...

Members