Math, asked by itzshivanishri, 10 months ago

if cos x=-2/5 find cos 3x

Answers

Answered by deshmukhdevansh4

0

Answer:

9/15

Step-by-step explanation:

2/5×3=9/15

Mark me Branliest

Previous Question

Next Question

Similar questions

English, 5 months ago

Q.3) Who said these words and to whom? 1) "It is too dangerous." 2) "May be the supervisor can help.” 3) “A sparrow is going to die because its foot is caught in the power line."...

Math, 5 months ago

(-225 ÷ 15) ÷ -3 ≠ -225 ÷ (15 ÷ -3) please answer quickly.

Social Sciences, 5 months ago

in what respect is the criterion used by the UNDP for measuring development different from the one used by the world Bank..?

Computer Science, 10 months ago

Good morning! Is Inserting text means shifting?

Chemistry, 10 months ago

que es el nivel de energia y como se encuentra?

English, 1 year ago

What was the role of the chewing gum in the disappearance of the ring...

Physics, 1 year ago

What are the use of concave mirrors...

Math, 1 year ago

Can you help me doing in maths ?