Math, asked by nicksaarav, 1 month ago

lf Cos 2A = sin 4A where 2A and 4A are acute angles,

then find the value of A

Answers

Answered by Anonymous

1

Answer:

A = 15⁰

Step-by-step explanation:

cos2A = sin4A

cos (2×15)⁰ = sin (4×15)⁰

cos 30⁰ = sin 60⁰

√3/2 = √3/2

Attachments:

Previous Question

Next Question

Similar questions

Computer Science, 23 days ago

division operator divides left side operand with right side operand T/F...

Science, 23 days ago

which separation technique will use to separate oil and water...

India Languages, 23 days ago

baal kela ki likhiso maksudu...

Math, 1 month ago

7+5-(3÷2×1÷4)×2÷7+7÷2×1÷16...

Math, 1 month ago

In a circle with centre O, the measure of a minor arc is 138. What is the measure of major arc?

Computer Science, 7 months ago

ctrl+5 is the shortcut key to set the line spacing to 5 lines...

English, 7 months ago

UUUU 5 photos 27-4-20 SIINER OAK CB MODEL SCHOOL WORKSHCET NO 10 SUBJECT - ENGLISH GRAMMAR CLASS - IV TOPIC - The Verbs * A reab can be described as transitive on intransitive based on whether it requires an object to express al complete thought or not, Transitive Verb: A tocansitive verb is one that only makes sense if it exerts its action on an * objed. * Intransitive Verb: an intransitive verb...

Math, 7 months ago

please answer this question friends...