Math, asked by ghimiresibu61, 3 months ago

prove that (sinA+cosA)^2 -(sinA-cosA)^2=2sin2A

Answers

Answered by onlyforgmeet

1

Step-by-step explanation:

LHS

sin^2 A + 2 Sin A cos A + cos^2 A -[sin^2 A - 2 sin A cosA +cos^2A]

sin^2 A + 2 Sin A cos A + cos^2 A -sin^2 A + 2 sin A cosA -cos^2A

2 Sin A cos A + 2 Sin A cos A

2sin2A.cos2A

LHS = RHS

Hence Proved

please mark it as BRAINLIEST

Previous Question

Next Question

Similar questions

Math, 1 month ago

Rasheed is very happy for his birthday celebration. He got lot of birthday gifts in his party. Out of all birthday gifts, he liked a playing top (lattu) most, which surprisingly had no colour on it. He wanted to colour it with his cryons. The top is shaped like a cone surmounted by a hemisphere (see the below figure). The entire top is 5cm in height and the diameter of the top is 3.5cm. i.What...

Computer Science, 1 month ago

What is a client benefit of partnering with Accenture’s Intelligent Platform Services (IPS)? 1)It shifts responsibility for business functions to externally hired resources. 2)It decreases costs by reducing the purchase and maintenance of equipment. 3It boosts a business’s unused capabilities and takes advantage of its current resources. 4)It eliminates data breaches and cybercrimes with its...

Math, 1 month ago

verify the property a×(b+c) =a×b+a×c by talking a= -5/2, b=-2 , c=11/...

English, 3 months ago

near the stairs help me to make the sentence...

Science, 3 months ago

mature ovary froms the...

History, 10 months ago

How and why was king Louis XVI executed on 21st January 1793?

Math, 10 months ago

find the number of sides of a regular polygon whose each exterior angle has a measure of 45°...

Math, 10 months ago

please let me know the answer...