Home
Class 10
MATHS
If cos 7A =sin (A-6^(@)) , where 7A is...

If ` cos 7A =sin (A-6^(@)) ` , where 7A is an acute angle ,find the value of A .

Text Solution

Verified by Experts

The correct Answer is:
`A = 12^(@) `
Promotional Banner

Topper's Solved these Questions

  • TRIGONOMETRY

    NCERT TAMIL|Exercise Do THIS|7 Videos

  • TRIGONOMETRY

    NCERT TAMIL|Exercise TRY THIS|7 Videos

  • TANGENTS AND SECANTS TO A CIRCLE

    NCERT TAMIL|Exercise Try this|5 Videos

Similar Questions

Explore conceptually related problems

If tan 2A =cot (A-18^(@) ) where 2A is an acute angle , Find the value of A .

If 1 + cos x=k where x is acute , then sin x/2

If tan A =cot B where A and B are acute angles prove that A+B= 90 ^(@)

Find the value of (iii) tan(7pi)/6

If 2cosx+sinx=1, then find the value of 7cosx+6sinxdot

If theta is an acute angle and tan theta + cot theta=2 find the value of tan^(7)theta+cot^(7)theta

If A is a square matrix such that A^(2) = A, find the value of 7A-(I+A)^(3) .