Math, asked by baluramavath9664, 8 months ago

If+A=30+degree:+so+that+1+Sin2A+Cos2A/(SinA+CosA)+=2CosA

Answers

Answered by parveenkumarganpatla

1

Answer:sin2A=2sinAcosA

cos2A=cos²A-sin²A

put value

Step-by-step explanation:

Previous Question

Next Question

Similar questions

Math, 4 months ago

x 2-49 $\frac{x - 7}{ {x}^{2} - 49}$ ...

Social Sciences, 4 months ago

frank was born in 1933 and died in 1946 at the age of 75. How can this be?

Economy, 4 months ago

Throw light on the Economic Drain during the colonial period.

English, 8 months ago

Who said that he saw the lion chasing the chicken...

Math, 8 months ago

Shortcut method for addition,subtraction, multiplication, division...

English, 11 months ago

In the following passage one word has not been edited in each line...

Political Science, 11 months ago

Explain the steps how to eradicate corruption in India.

Math, 11 months ago

ABCD is a rhombus whose diagonal AC makes an angle Alpha with a b if cos alpha is equal to 2 upon 3 and OB is equal to 3 cm find the length of AC and BD...