Math, asked by inforajashree, 11 months ago

If cos(A-B)+1=0 show that cosA+cosB=0 and sinA+sinB=0. (use formulae of compound angles)

no spams please

Answers

Answered by Anonymous

27

SOLUTION

Refer to the attachment

hope it helps ☺️

Attachments:

Previous Question

Next Question

Similar questions

Science, 6 months ago

pulses are rich in proties or not...

Physics, 6 months ago

consider a rain drop of mass 1.00 g falling from a height of 1000 m .it Hits the ground with the speed of 40 m/ s . (1) what is the work done by the gravitational force? (2) what is the work done by the unknown force?

Math, 6 months ago

9. A wire is in the shape of a rectangle. Its length is 40 cm and breadth is 22 cm. If the same wire is rebent in the shape of a square, what will be the measure of each side?

Science, 11 months ago

what are the two types of minerals?

Math, 11 months ago

use mathematical induction prove that 2+3.2+4.2^2+.... upto n terms=n 2^n for all n€N...

English, 1 year ago

change the following into reported speech. 1.neelima said,' my job is very interesting.'. 2. Ravi said,'I want to go to New York next year'. 3. Man ro woman:I'm doing a survey on shopping habits. 4.The teacher said to her students 'use oxford dictionary'. 5. She said, 'Honey is sweet'.

Chemistry, 1 year ago

the no of ions present in 1ml of 0.1m cacl2 solution is...

Math, 1 year ago

what values of a and b make the given statement true? (ay2+3xy-9x2)-(-4y2+8xy+bx2)=10y2-5xy-10x2...