Math, asked by mmengg1975, 2 months ago

value of (1 + cos A) (1 - cos A)

Answers

Answered by VenkataSubramanyam

2

Answer:

sin²a

Step-by-step explanation:

=(1+cosa)(1-cosa)

=1-cos²a

=sin²a

Previous Question

Next Question

Similar questions

Math, 1 month ago

factorize 2x² + y/49 +3z² - 2√2/7 x y -2√3yz/7 + 2√6 x z...

Art, 1 month ago

(ক) খেলা মানুষের প্রবৃত্তি। (খ) গ্রিক শব্দ থেকে জিমনাস্টিকস কথাটি এসেছে। (গ) জৈনধর্ম মূর্ত প্রতীক হিসাবে বিদ্যমান। (ঘ) এন. সি. সি.-র রং নৌসেনা বাহিনীর প্রতীক...

Math, 1 month ago

differntiate between contact and non contact force...

Math, 2 months ago

verify |a|=a and |-a|=a for a= -4/7...

English, 2 months ago

what are the varied uses of a mobile besides calling or texting ?

Math, 10 months ago

If sinA=cosA then tanA=...

History, 10 months ago

Explain the Gandhi Irwin pact...

English, 10 months ago

a person who teams up with another person towards same goal find the cross word...