Math, asked by babavass8, 19 days ago

Which of the following identity is not true?
(A)cos2x=cos2x−sin2x
(B)sin2x=2sinxcosx
(C)cos2x=2cos2x−1
(D)sin2x=sinxcosx

Answers

Answered by madhvikavaghela

1

Answer:

D are false

only B are correct

Reason sin2x must be 2sinxcosx

cos2x must be 1-cos²x & cos²x-sin²x &2cos2x-1

Previous Question

Next Question

Similar questions

English, 9 days ago

he played football and home (go)...

English, 9 days ago

Complete the poem using the sound device given in the brackets. One has been done for you. I am Kate the Key Keeper (alliteration) I Kept the Kettle in the kitchen. A. I laught alot lately(alliteration) B. Chuck ate his lunch at the beach ( Consonance) C. My kite is High in the sky (assonance) ...

English, 9 days ago

Look out of the window for.... Minute deteminer fill...

Math, 19 days ago

111111111111111111111111...

English, 19 days ago

The lazy checkout clerk forced the six-pack of cola into the bottom of the bag, tearing it._________she shrugged her shouiders and said, "i guess you'll have to carry the bag from the bottom." A. After B. First C.Soon D. Then Abra ka dabra Gili gili cho For 1 million pwoints (⌐■-■)...

Math, 9 months ago

dui ghat bhaupad ki snkhya hai 2 3 4...

Math, 9 months ago

if 3 root 5 plus root 125 is equal to 17.88, then find the value of root 80 plus 6 root 5...

English, 9 months ago

put the word in correct tense He _( come ) a minute ago...