Math, asked by mathsstudent, 1 year ago

prove that sin(45°+A).sin(45°-A)=1/2cos2A

Attachments:

Answers

Answered by ssourabh

3

here is the full proof

Attachments:

Previous Question

Next Question

Similar questions

Math, 8 months ago

multiply -11/19× 2/-5...

Computer Science, 8 months ago

Tick) the correct option. a) Which device converts the digital data to anolog and vice-versa? (i)Mode (ii) ISP (iii) TCP/IP (iv) FTP (b) Which of the following languages is used to design web page? (i) HTML (ii) HMLT (iii)HTTP (iv) HTPT (c) Which of the following is/are cloud computing client? (i) Thick (ii) Mobile (iii) Thin (iv) All of these (d) Social Networking site is an example of (i)...

Math, 8 months ago

2. A sphere of mass 40kg is attracted by a second sphere of mass 15kg when their centres are 20 cm apart, with a force of 0.1 milligram weight. Calculate the value of gravitational constant.

Science, 1 year ago

define the gases in long method...

Hindi, 1 year ago

Pitaji se rupay mangwane ke liye Patra...

English, 1 year ago

truest is the backbone of relationship components to the reference to the chapter of shady plot...

Math, 1 year ago

is there a temperature which is numerically the same in both fahrenheit and Celsius? if yes find it...

English, 1 year ago

was shylock really faulty?? jessica n antonio tld him bad but what was his fault??? according to me jassica being his daughter betrayed him n antonio insulted him first without any reason.. so who was really bad &faultyy???