Saturday

January 31, 2015

January 31, 2015

Posted by **rajan** on Friday, August 16, 2013 at 1:16pm.

- trig -
**Steve**, Friday, August 16, 2013 at 4:53pmThis is very cleverly solved at

http://answers.yahoo.com/question/index?qid=20100617064137AAccXtF

as a simple web search revealed.

**Answer this Question**

**Related Questions**

mathematics trignometry - prove that the following are identity 1. (cotA+cosecA-...

trig - Establish the following identity: CosA/1-TanA + SinA/1-CotA = CosA-SinA

Maths - Hi, can someone give me the answer to this question: secA-tanA=1/4. Find...

further mathematics - Let P=(cosA sinA) (sinA cosA) Q=(cosB sinA) (sinB cosA) ...

trig - Prove : (sinA-cosA+1)/(sinA+cosA-1) = (1+sinA)/cosA

trig - Please help me how to do this: 1) 1 + sina*cosa / (cosa + sina)^2 = 2) ...

maths(trigonometry) - prove that sinA-cosA+1/sinA+cosA-1=1/secA-tanA

trig - I need to count this: a) 1-tg^2a/1+ctg^2a, when sina =2/3 b) 1-tg^2a/1-...

trig - Prove: 1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA

trig - Prove: 1/cos2A+sin2A/cos2A=sinA+cosA/cosA-sinA