Math, asked by Shahbazbains, 1 year ago

prove that cos 105 + cos 15=sin 75-sin 15

Answers

Answered by Anonymous

2

LHS

cos105 + cos15

=)cos (90+15) + cos (90-75)

=)-sin15+sin75

=)-(sin15-sin75)

=)sin75-sin15

Previous Question

Next Question

Similar questions

Business Studies, 6 months ago

Do you think Leadership style is fixed and unchangeable or flexible and adaptable?

Math, 6 months ago

A tank can be filled separately in 10 mins and 15 mins respectively in 2 pipes. When a third pipe was used simultaneously with the first pipes, the tank can be filled in 4 minutes. How long would it take the third pipe alone to fill the tank?

English, 6 months ago

f, is the significance (or, the want of it) of this play. Comment on the importance of the Forest of Arden in “As You Like It” ans. Except for a few scenes which are laid in the Duke's palace...

Social Sciences, 1 year ago

Coromandel coast in India receives maximum rainfall in...

English, 1 year ago

please Help me guys!

Math, 1 year ago

Bessel and legendre differential equation...

Physics, 1 year ago

Describing function analysis of nonlinear systems hysteresis loop...

Hindi, 1 year ago

Banglore man who become a richest taxi driver...