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

3. If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A.

3. If tan 2A = cot (A – 18°), where 2A is an acute angle, find the value of A.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 8741 Points
3 months ago
tan 2A = cot (A- 18°) We know that tan 2A = cot (90° – 2A) Substitute the above equation in the given problem ⇒ cot (90° – 2A) = cot (A -18°) Now, equate the angles, ⇒ 90° – 2A = A- 18° ⇒ 108° = 3A A = 108° / 3 Therefore, the value of A = 36°

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