Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6

Q.

Find x:  tan 3x = sin 45º cos 45º + sin 30º

see full answer

Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!

Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya

a

45°

b

20°

c

15°

d

None of these

answer is A.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

detailed_solution_thumbnail

Given , tan 3x = sin 45º cos 45º + sin 30º

Putting the values of sin 45º, cos 45º and sin 30º, we get:
=> tan 3x = 12×12+12
=> tan 3x = 12+12
=> tan 3x = 1
=> tan 3x = tan 45º
=> 3x = 45º    

=> x = 15º

Watch 3-min video & get full concept clarity

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon