Create your Smart Home App in the Free Webinar on Home Automation. Register Now
One of our academic counsellors will contact you within 1 working day.
Click to Chat
1800-1023-196
+91-120-4616500
CART 0
Use Coupon: CART20 and get 20% off on all online Study Material
Welcome User
OR
LOGIN
Complete Your Registration (Step 2 of 2 )
Free webinar on App Development Learn to create your own Smart Home App
16th Jan @ 5:00PM for Grade 1 to 10
Sit and relax as our customer representative will contact you within 1 business day
From trignometry of maths we can use the basic formula required for it.
Dear student As tan60 = √3Niw main thing we have ti find out istan 6 tan 42 tan 78 (tan18)/ tan18 = tan 6 tan (90 -18) tan (60+18) tan 18 /tan18 Use formula tan A tan (60-A) tan(60+A) = tan3A = tan 6 tan54 /tan18 = tan 6 tan (60-6) tan(60+6) /tan 18 tan 66 = Tan 18/tan 18 tan 66 = 1/tan 66 Hence answer will be√3 /tan66 Means I think you have typed wring as it should be tan66 instead of tan60
Post Question
Dear , Preparing for entrance exams? Register yourself for the free demo class from askiitians.
points won -