/*! This file is auto-generated */ .wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none} Q. 82 Find the exact value of each exp... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 7: Q. 82 (page 486)

Find the exact value of each expression.

tan蟺4-cos-135

Short Answer

Expert verified

The value of the expression is-17

Step by step solution

01

Step 1. Given information

The given expression istan蟺4-cos-135

02

Step 2. Solve the expression

Let 伪=蟺4and 尾=cos-135

So,

tan伪=1tan尾=43

Now,

tan伪-尾=tan伪-tan尾1+tan伪路tan尾=1-431+1路43=-1373=-17

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Over 30 million students worldwide already upgrade their learning with 91影视!

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Rewrite in terms of sine and cosine functions:tan胃csc胃

The distance dfrom the point (2,-3)to the point (5,1)is ______.

Sawtooth Curve An oscilloscope often displays a sawtooth curve. This curve can be approximated by sinusoidal curves of varying periods and amplitudes. A first approximation to the sawtooth curve is given by

y=12sin(2蟺x)+14sin(4蟺x)

Show thaty=sin(2蟺x)cos2(蟺x)

find the exact value of the expression

sin 285掳sin 75掳

In Problems 9鈥�36, find the exact value of each expression.

csctan-11
See all solutions

Recommended explanations on Math Textbooks

Discrete Mathematics

Read Explanation

Decision Maths

Read Explanation

Geometry

Read Explanation

Logic and Functions

Read Explanation

Pure Maths

Read Explanation

Theoretical and Mathematical Physics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.