Math, asked by karima00aberri, 10 months ago

prove that cos(x)cos(2x)-sin(x)sin(2x)=4(cos²(x)-3)cos(x)

Answers

Answered by ritu16829

1

Answer:

plz refer to the attached pic

Attachments:

Previous Question

Next Question

Similar questions

Science, 5 months ago

Q.5 What is the approximate value of acceleration due to gravity on the surface of earth?

English, 5 months ago

is macavity cat really?

Hindi, 5 months ago

1. निर्देशानुसार सभी के चार-चार उदाहरण लिखिए- (क) सदैव बहुवचन रहने वाले शब्द (ख) सदैव एकवचन रहने वाले शब्द (ग) समुदाय का प्रतिनिधित्व करने वाले शब्द (घ) एकवचन होते भी बहुवचन की तरह प्रयुक्त (आदर/सम्मान के लिए) (ii) (iv) (ङ) संबंधसूचक संज्ञाएँ दोनों वचनों में समान रहने वाली (iv)...

Social Sciences, 10 months ago

How did subash Chandra Bose died?????

Biology, 10 months ago

what is the functional unit of kidney?

History, 1 year ago

Why Slavic nationalist struggle in 19 the century...

Math, 1 year ago

The sum of three consecutive multiples of 3 is 90. What is the largest of these numbers...

Social Sciences, 1 year ago

write about the jurisdiction of the Supreme Court...