Question
Asked Sep 2, 2019
77T
8. Evaluate without a calculator: (a) sinj
77t
(b) tan
V3
(d) cossin
arccos
help_outline

Image Transcriptionclose

77T 8. Evaluate without a calculator: (a) sinj 77t (b) tan V3 (d) cossin arccos

fullscreen
check_circleExpert Solution
Step 1

a). Given,

 

7 TL
sin
3
help_outline

Image Transcriptionclose

7 TL sin 3

fullscreen
Step 2

On simplification,

sin 277
3
sin
3
sin (27 xsinx]
= sin
3
2
help_outline

Image Transcriptionclose

sin 277 3 sin 3 sin (27 xsinx] = sin 3 2

fullscreen
Step 3

b). given,

&nb...

= tan 27T
4
tan
4
tan(27-xtan x
=-tan
4
=-1
help_outline

Image Transcriptionclose

= tan 27T 4 tan 4 tan(27-xtan x =-tan 4 =-1

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour*

See Solution
*Response times may vary by subject and question
Tagged in

Math

Calculus

Other

Related Calculus Q&A

Find answers to questions asked by student like you

Show more Q&A add