Banner 0
Banner 1
Banner 2
Banner 3
Banner 4
Banner 5
Banner 6
Banner 7
Banner 8
Banner 9

Q.

Value of 3+cot⁡80∘cot⁡20∘cot⁡80∘+cot⁡20∘ is equal to

see full answer

Your Exam Success, Personally Taken Care Of

1:1 expert mentors customize learning to your strength and weaknesses – so you score higher in school , IIT JEE and NEET entrance exams.
An Intiative by Sri Chaitanya

a

Cot 15o

b

Tan 50o

c

Cot 50o

d

Cot 20°

answer is B.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

JEE

NEET

NEET

Foundation JEE

Foundation JEE

Foundation NEET

Foundation NEET

CBSE

CBSE

Detailed Solution

3+cos⁡80∘cos⁡20∘sin⁡80∘sin⁡20∘cos⁡80∘sin⁡80∘+cos⁡20∘sin⁡20∘=2sin⁡80∘sin⁡20∘+cos⁡80∘cos⁡20∘+sin⁡80∘sin⁡20∘sin⁡20∘cos⁡80∘+cos⁡20∘sin⁡80∘=−cos⁡100∘+cos⁡60∘+cos⁡60∘sin⁡100∘=1−cos⁡100∘sin⁡100∘=tan⁡50∘
Watch 3-min video & get full concept clarity
score_test_img

courses

No courses found

Get Expert Academic Guidance – Connect with a Counselor Today!

best study material, now at your finger tips!

  • promsvg

    live classes

  • promsvg

    progress tracking

  • promsvg

    24x7 mentored guidance

  • promsvg

    study plan analysis

download the app

gplay
mentor

Download the App

gplay
whats app icon
personalised 1:1 online tutoring