/*! 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. 84 In Problems 79-90, find the exac... [FREE SOLUTION] | 91影视

91影视

Log out

Learning Materials

Features

Discover

Chapter 7: Q. 84 (page 496)

In Problems 79-90, find the exact value of each expression.

tan2tan-134

Short Answer

Expert verified

The exact value is247

Step by step solution

01

Given information

Given expressiontan2tan-134

02

Use the inverse rule and double angle rule and calculate

Here, tantan-1x=x

tan2tan-134=atan-134=胃a=tan2tan-134a=2tantan-1341-tan2tan-134a=2341-342a=247

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

If tan胃=atan胃3, expresstan胃3in terms of a.

cos(伪+尾)=cos伪cos尾_______sin伪sin尾

A rectangle is inscribed in a semicircle of radius 1. See the illustration.

Part (a): Express the area A of the rectangle as a function of the angle 胃shown in the illustration.

Part (b): Show that A胃=sin2胃.

Part (c): Find the angle 胃 that results in the largest area A.

Part (d): Find the dimensions of this largest rectangle.

(a) sin蟺4路cos蟺3=______

(b)tan蟺4-sin蟺6=________

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

cotsin-1-12
See all solutions

Recommended explanations on Math Textbooks

Applied Mathematics

Read Explanation

Logic and Functions

Read Explanation

Probability and Statistics

Read Explanation

Decision Maths

Read Explanation

Statistics

Read Explanation

Calculus

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.