Math, asked by Effat, 1 year ago

(secA+tanA)(1-sinA)=cosA

Answers

Answered by choki60

0

(1/cosA+sinA/cosA)×(1-sinA) ,1-sinsq.A/cosA,cossqA/cosA=cosA

Answered by AJAYMAHICH

1

LHS =(secA+tanA)(1-sinA)

=(1/cosA+sinA/cosA)(1-sinA)

=(1+sinA/cosA)(1-sinA)

=(1+sinA)(1-sinA)/cosA

=(1-sin2A)/cosA

=cos2A/cosA

=cosA

LHS=RHS

Previous Question

Next Question

Similar questions

Math, 7 months ago

prove that A^-1 = A^T...

Computer Science, 7 months ago

can u plz ansr this qstn ...... it's urgent plz ansr fast.....spammers stay away from here.....

Geography, 7 months ago

Fill in the blanks:- (i) Growth of industries have expanded __________ opportunities. (ii) The number by which the birth rate exceeds the _________ rate gives the natural growth rate. (iii) ___________ gives access to education, health, social services, etc. in cities. (iv) ___________ city is a ___________ city in the natural growth path of a nearby larger city. (v) ___________ is the...

Chemistry, 1 year ago

explain how centrifugation is done...

Math, 1 year ago

Find the values if x and y in the following figures. Please solve it fast...

English, 1 year ago

Change into indirect speech. Rahul said, "No Ravi! You will end up having no teeth. Please don't consume daily, once in 2 months should be good.

Science, 1 year ago

describe an activity to show that increase a mixture of Dye and water level diagram and state the underlying principle...

Math, 1 year ago

hindi:common,proper nouns give 5 examples of each in Hindi...