Saturday

December 20, 2014

December 20, 2014

Posted by **prasenit** on Friday, June 28, 2013 at 11:35pm.

- math -
**Kuai**, Saturday, June 29, 2013 at 1:19amHint

(sinA +cosA) = sqrt(cosA)

sinA +cosA)^2 = (sqrt(cosA)^2

(sinA + cosA)(sinA+cosA) = cosA

**Answer this Question**

**Related Questions**

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

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

math - Sina+cosa=root over cosA

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

Maths, Divine International Public School - If 15Cot=8, find (1+SinA)(1-SinA)/(1...

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

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

Math - CosA/1+sinA=1-sinA/cosA I have to prove the identity each side has to b ...

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

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