Math, asked by krishna3267, 11 months ago

the value of cos 48 degree minus sin 42 degrees

Answers

Answered by manthan7445

2

cos48 - sin42
cos(90 - 42 ) - sin42
sin42 - sin42 = 0 ...... ( cos90 - theta = sin theta )

Answered by sachin1936

2

bcoz,

sin(90-A)=cosA

cos48-sin42

cos(90-48)-sin42

sin42-sin42

0

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

14. Why could not old Sushil eat a toffee? (Wishes come true) * a) He found the toffees costly. b) The shopkeeper did not have any toffee. c) He did not like the taste of toffees. d) He did not care for children’s sweets.

Math, 5 months ago

construt parellelogram A B C D with AB = 6cma CM, 4.5cm and BD > 7.5cm.

Math, 5 months ago

A sum of money doubles itself in 4 years , then the rate of interest per annum is...

Math, 11 months ago

If the difference b/w the interest recieved from two different bank Rs 500 for 2years. is Rs 250 the difference b/w their rates is.

Social Sciences, 11 months ago

Sustainable development 3 marks...

Science, 1 year ago

name 2 yielding animal...

Science, 1 year ago

Why plants are considered as the great providers...

Geography, 1 year ago

Which district is called land of coffee in karnataka?