Math, asked by apteananya, 10 months ago

Show that
sin20°×cos70°+cos20°×sin70°=1

Answers

Answered by krishmental129

1

Answer:

Step-by-step explanation: using relation sin(A+B)=sinAcosB + cosAsinB

here A=20 and B=70

so sin20°×cos70°+cos20°×sin70° = sin(90)=1,hope it will help!

Previous Question

Next Question

Similar questions

Social Sciences, 5 months ago

2. Gujarat during medieval age . Explain briefly...

Math, 5 months ago

The usual form of 6.4 × 10 power 3...

Math, 5 months ago

triangle DAB is congruent to triangle BCD . find each value of 1) X, 2) angle ADB ,3) angle ABC...

Chemistry, 10 months ago

what is diatomic gas,what is triatomic gas,and what is polyatomic gas...

Art, 10 months ago

Suggest me any theme for competition weeks.. Eg: shine...

Physics, 1 year ago

Input and output characteristics of transistor in common collector configuration...

Physics, 1 year ago

When light enters from air to glass the angles of incidence and refraction in air and glass are 45 and 30 degrees?

Physics, 1 year ago

When the current is switched on through a wire a compass needle kept nearby gets deflected from its jorth south pisution explain?