Thank you for registering.

One of our academic counsellors will contact you within 1 working day.

Please check your email for login details.
MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping

Cos x=sin y & cot (x-40^0)=tan (50^0-y). Find the value of x & y.

Cos x=sin y & cot (x-40^0)=tan (50^0-y). Find the value of x & y.

Grade:10

1 Answers

Arun
25763 Points
3 years ago
 
Dear Ratan
 
cos x = cos(90-y)
Hence x+y = 90° or we can say x and y are complementary angle of each other.
Now
 
cot(90-y-40) = cot(90-(50-y))
Now on comparison
90-y-40 = 90-50+y
2y = 10
Hence y = 5° 
& x = 85°
 
Regards
Arun (askIITians forum expert)

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free