Math, asked by skraut37, 1 year ago

cos9°+ sin9°=√2 sin 54°

Answers

Answered by abdul9838

3

$<b> <body \: bgcolor = "skyblue">$

$\huge \mathfrak{hola} \\ \\ \small \:hey \: dude \: here \: is \: ur \: ans \\ \\ \huge \bf \: solution \\ \\ \small \bf \: cos \: 9° + sin \: 9° = \sqrt{2} \: sin \: 54° \\ \\ \small \bf \: as \: we \: can \: write \\ \\ \bf \: sin \: 9 °+ cos \: 9° = \sqrt{2} \: sin \: 54° \\ \\ \small \: \bf \: 9°(sin \: + cos) = cosec \: 45° \times sin \: 54° \\ \\ \small \bf \: 9°(sin + cos) = \frac{1}{sin \: 45°} \times sin \: 54° \\ \\ \small \bf \: 9(sin + cos) = \frac{6}{5} \\ \\ \small \bf \: sin \: + cos = \frac{6}{5} \times \frac{1}{9} \\ \\ \small \bf \: sin \: + cos = \frac{2}{5 \times 3} \\ \\ \small \bf \: sin \: + cos = \frac{2}{15} \: \: ans$

$<marquee \: behavior = slide \: bgcolor = "red">$

$\huge thanks for asking$

$\huge \: follow \: me$

kittunagar123: na bhai

kittunagar123: ese hi bhai

kittunagar123: plz follow me

Answered by suman682

0

Refer to the above attachment

Attachments:

Previous Question

Next Question

Similar questions

Social Sciences, 7 months ago

9. WHICH SENTENCE IS NOT TRUE INRESPECT OF FORTS ? A.FORTS WERE BUILT BECAUSE O PEOPLE WERE AFRAID OF ATTACKS FROM OTHER KINGS. B.PEOPLE WERE ALSO CONTROLLED O EASILY BY KINGS BY FORTIFICATION. C.ALL ARE TRUE Clear selection...

Hindi, 7 months ago

आत्मविश्वास आओ साहस से संबंधित कोई छोटी सी कहानी लिखिए...

Math, 7 months ago

state the second derivative test...

Math, 1 year ago

find the present value of rs18000 due after 5 years if the interest rate is 8%compounded semiannually...

Math, 1 year ago

13,14,22,49,113,___ plzz answer it...

English, 1 year ago

An essay on, Wisdom of mind and wisdom of heart,in English about 555...

English, 1 year ago

Bart ka rstpai kon hi...

English, 1 year ago

I had counted on the commotion to get to my desk without being seen said franz...