Math, asked by Rithika1904, 7 months ago

If sin(θ + α) = a and sin(θ + β) = b , then prove that cos2(α – β) – 4abcos(α – β) = 1-2a2 -2b2

help me solve this !!

Answers

Answered by ghostbusters35

5

Answer:

This is the answer with explanation

Attachments:

Previous Question

Next Question

Similar questions

Chemistry, 3 months ago

Charcoal in water is an example of- a- Solid +Solid homogeneous mixture b- Solid + liquid heterogeneous mixture c- Liquid + Gas heterogeneous mixture d- Solid + Liquid Homogeneous mixture ...

Math, 3 months ago

find the saupplematary angles of (1) 105 (2) 150 (3) 120 (4) 30...

Accountancy, 3 months ago

income tax is business expenses true or false...

Geography, 7 months ago

CHAPTER:1(DEVELOPMENT) 1. In order to get more income people need: a. Regular work b. Better wages c. Decent price for their d. crops All of these 2. Things like equal treatment freedom, security and respect of others are: a. Material things b. Non material things 3. National Development Refers to: a. Equality b. Democratic 4. Per capita income refers to : a. Whole income b.

Chemistry, 7 months ago

what is photosynthesis ?

Math, 11 months ago

convert the following equation in statement form x - 4 =10...

Biology, 11 months ago

all living organism obtain energy from carbon base source by a process called ____________...

History, 11 months ago

what is the odd man out of monument, coins ,caves ,sculptures, stories...